2020-10-22 09:23:29

int main(int argc, char *argv[]) {
	int n, i, *p;
	printf("\nnhap n ");
	scanf("%d", &n);
	int A[n];
	for(i=0;i<n;i++) {
		printf("\nNhap so thu A[%d] ",i+1);
		scanf("%d", &A[i]);
	}
    int tong=0;
	for(i=0;i<n;i++) {
		if(A[i] % 5 ==0) {
			tong+=A[i];
			printf("\nTong cac so chia het cho 5 la %d", tong);
		}
			
		}
		
	for(i=0;i<n;i++) {
		int sqr=sqrt(A[i]);
		if(sqr*sqr==A[i]) {
			printf("\nCac so chinh phuong la %d",A[i]);
		}
		
	} 
	printf("\nMang sau khi sap xep ");
	for(i=0;i<n;i++) {
		if(A[i]%2==0) {
			printf("%d",A[i]);
		}
	}
	for(i=0;i<n;i++) {
		if(A[i]%2!=0) {
			printf("%d",A[i]);
		}
	}
		
	
		
	
	
	
	return 0;
}

2020-10-20 14:16:28

#main.1.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//bai1
int sochinhphuong(int n){
    printf("\nNhap n = ");
    scanf("%d", &n);
    int j = 0;
    while(j*j <= n){
        if(j*j == n){
            printf("%d la so chinh phuong!\n", n);
            return 0;
        }
        ++j;
    }
    printf("%d khong phai so chinh phuong!\n", n);
}
int main(int argc, char *argv[]) {
    int N,i;
    printf("\nNhap mang N= ");
    scanf("%d",&N);
    int b=0;
    int a[N];
    for(i=0;i<a;i++){
    	printf("\na[%d]",i+1);
    	scanf("%d",&a[i]);
	}
	for(i=0;i<a;i++){
	 	printf("\nNhap a[%d]= ", i,a[i]);
	}
	for(i=0;i<3;i++){
		if(a[i]%5==0){
			b=b+a[i];
		}
	}
	printf("\nTong cac so chia het cho 5=%d", b);

}

#main.3.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
 //bai2
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//BAI 2
int i;
typedef struct Sinhvien_ST{
	char name[50], rollno[30];
	int age;
}Sinhvien;
void showMenu(Sinhvien *p,int n){
for(i=0;i<n;i++){
		printf("\nNhap sinh vien thu %d", i+1);
		printf("\nNhap ten");
			fflush(stdin);fflush(stdout);
		gets(p[i].name);
		printf("\nNhap ma sv");
			fflush(stdin);fflush(stdout);
		gets(p[i].rollno);
		printf("\nNhap tuoi");
			fflush(stdin);fflush(stdout);
		scanf("%d",p[i].age);		
	}
}
void input (Sinhvien *p,int n) {
	for(i=0;i<n;i++)
		if(sqrt(p[i].age)*sqrt(p[i].age) == p[i].age){
			printf("\nTen %s",p[i].name);
			printf("\nMa %s", p[i].rollno);
			printf("\nTuoi %s",p[i].age);
}
}
int main(int argc, char *argv[]) {
int n;
Sinhvien danhsachsinhvien[n];
printf("\nNhap so sin vien: ");
scanf("%d",&n);
showMenu(danhsachsinhvien,n);
input(danhsachsinhvien,n);
	return 0;
}

2020-10-20 14:16:26

#main.1.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//bai1
int sochinhphuong(int n){
    printf("\nNhap n = ");
    scanf("%d", &n);
    int j = 0;
    while(j*j <= n){
        if(j*j == n){
            printf("%d la so chinh phuong!\n", n);
            return 0;
        }
        ++j;
    }
    printf("%d khong phai so chinh phuong!\n", n);
}
int main(int argc, char *argv[]) {
    int N,i;
    printf("\nNhap mang N= ");
    scanf("%d",&N);
    int b=0;
    int a[N];
    for(i=0;i<a;i++){
    	printf("\na[%d]",i+1);
    	scanf("%d",&a[i]);
	}
	for(i=0;i<a;i++){
	 	printf("\nNhap a[%d]= ", i,a[i]);
	}
	for(i=0;i<3;i++){
		if(a[i]%5==0){
			b=b+a[i];
		}
	}
	printf("\nTong cac so chia het cho 5=%d", b);

}

#main.3.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
 //bai2
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//BAI 2
int i;
typedef struct Sinhvien_ST{
	char name[50], rollno[30];
	int age;
}Sinhvien;
void showMenu(Sinhvien *p,int n){
for(i=0;i<n;i++){
		printf("\nNhap sinh vien thu %d", i+1);
		printf("\nNhap ten");
			fflush(stdin);fflush(stdout);
		gets(p[i].name);
		printf("\nNhap ma sv");
			fflush(stdin);fflush(stdout);
		gets(p[i].rollno);
		printf("\nNhap tuoi");
			fflush(stdin);fflush(stdout);
		scanf("%d",p[i].age);		
	}
}
void input (Sinhvien *p,int n) {
	for(i=0;i<n;i++)
		if(sqrt(p[i].age)*sqrt(p[i].age) == p[i].age){
			printf("\nTen %s",p[i].name);
			printf("\nMa %s", p[i].rollno);
			printf("\nTuoi %s",p[i].age);
}
}
int main(int argc, char *argv[]) {
int n;
Sinhvien danhsachsinhvien[n];
printf("\nNhap so sin vien: ");
scanf("%d",&n);
showMenu(danhsachsinhvien,n);
input(danhsachsinhvien,n);
	return 0;
}

2020-10-20 14:16:05

#main.1.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//bai1
int sochinhphuong(int n){
    printf("\nNhap n = ");
    scanf("%d", &n);
    int j = 0;
    while(j*j <= n){
        if(j*j == n){
            printf("%d la so chinh phuong!\n", n);
            return 0;
        }
        ++j;
    }
    printf("%d khong phai so chinh phuong!\n", n);
}
int main(int argc, char *argv[]) {
    int N,i;
    printf("\nNhap mang N= ");
    scanf("%d",&N);
    int b=0;
    int a[N];
    for(i=0;i<a;i++){
    	printf("\na[%d]",i+1);
    	scanf("%d",&a[i]);
	}
	for(i=0;i<a;i++){
	 	printf("\nNhap a[%d]= ", i,a[i]);
	}
	for(i=0;i<3;i++){
		if(a[i]%5==0){
			b=b+a[i];
		}
	}
	printf("\nTong cac so chia het cho 5=%d", b);

}

#main.3.c

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
 //bai2
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//BAI 2
int i;
typedef struct Sinhvien_ST{
	char name[50], rollno[30];
	int age;
}Sinhvien;
void showMenu(Sinhvien *p,int n){
for(i=0;i<n;i++){
		printf("\nNhap sinh vien thu %d", i+1);
		printf("\nNhap ten");
			fflush(stdin);fflush(stdout);
		gets(p[i].name);
		printf("\nNhap ma sv");
			fflush(stdin);fflush(stdout);
		gets(p[i].rollno);
		printf("\nNhap tuoi");
			fflush(stdin);fflush(stdout);
		scanf("%d",p[i].age);		
	}
}
void input (Sinhvien *p,int n) {
	for(i=0;i<n;i++)
		if(sqrt(p[i].age)*sqrt(p[i].age) == p[i].age){
			printf("\nTen %s",p[i].name);
			printf("\nMa %s", p[i].rollno);
			printf("\nTuoi %s",p[i].age);
}
}
int main(int argc, char *argv[]) {
int n;
Sinhvien danhsachsinhvien[n];
printf("\nNhap so sin vien: ");
scanf("%d",&n);
showMenu(danhsachsinhvien,n);
input(danhsachsinhvien,n);
	return 0;
}

2020-10-20 14:13:15

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {

int *t, n, i, sum = 0;

t = (int *)calloc(n, sizeof(int));

printf("nhap tong so phan tu cua mang: \n");

scanf("%d", &n);

printf("Nhap cac phan tu cho mang: \n");

for(i = 0; i < n; i++) {

scanf("%d", t + i);

if(t[i] % 5 == 0) {

sum += t[i];

}

}

printf("\ntong so phan tu trong mang chia het cho 5 la: %d\n", sum);

printf("so chinh phuong trong mang la:");

for(i = 0; i < n; i++){

if(sqrt(t[i])*sqrt(t[i]) == t[i]){

printf("\n%d ", t[i]);

}

}

int j;

for(i = 0; i < n; i++)

for(j = i;j < n; j++){

if(t[j]%2 == 0){

int val = t[i];

t[i] = t[j];

t[j] = val;

}

}

printf("\nSap xep cac phan tu trong mang theo thu tu chan--le la :");

for(i = 0; i < n; i++)

printf("%d ", t[i]);

return 0;

}

========== bt1
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
	int *t, n, i, sum = 0;
	t = (int *)calloc(n, sizeof(int));
	printf("nhap tong so phan tu cua mang: \n");
	scanf("%d", &n);
	printf("Nhap cac phan tu cho mang: \n");
	for(i = 0; i < n; i++) {
		scanf("%d", t + i);
		if(t[i] % 5 == 0) {
			sum += t[i];
		}
	
	}
	
	printf("\ntong so phan tu trong mang chia het cho 5 la: %d\n", sum);
	printf("so chinh phuong trong mang la:");
	for(i = 0; i < n; i++){
		if(sqrt(t[i])*sqrt(t[i]) == t[i]){
			printf("\n%d ", t[i]);
		}
	}
	
	int j;
	for(i = 0; i < n; i++)
		for(j = i;j < n; j++){
			if(t[j]%2 == 0){
				int val = t[i];
				t[i] = t[j];
				t[j] = val;
			}
		}
	printf("\nSap xep cac phan tu trong mang theo thu tu chan--le la :");
	for(i = 0; i < n; i++)
	printf("%d ", t[i]);
	
	return 0;
}

=============== bt2
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
typedef struct Student_ST {
	char name[50];
	char rollno[20];
	int age;
} Student;


int main(int argc, char *argv[]) {
	int i, n;
	printf("nhap tong so sinh vien trong mang: \n");
	scanf("%d", &n);
	Student studentList[n];
	for(i = 0; i < n; i++) {
		printf("\nNhap ten: ");
		fflush(stdin);fflush(stdout);
		gets(studentList[i].name);
		
		printf("\nNhap rollno: ");
		fflush(stdin);fflush(stdout);
		gets(studentList[i].rollno);
		
		printf("\nNhap age: ");
		scanf("%d", &studentList[i].age);
	}
	printf("sinh vien co tuoi la so chinh phuong la:");
	for(i = 0; i < n; i++){
		if(sqrt(studentList[i].age) * sqrt(studentList[i].age) == studentList[i].age){
			printf("%s ", studentList[i].name);
		}
	}
	
	return 0;
}

2020-10-20 14:07:28

void swap(int &a, int &b) {

int temp = a;

a = b;

b = temp;

}

int main() {

printf("\nNhap n: ");

int n; scanf("%d", &n);

int a[n], sum = 0;

printf("\nNhap mang: ");

for (int i = 0; i < n; i++) {

printf("\nNhap a[%d]: ", i);

scanf("%d", &a[i]);

if (a[i] % 5 == 0) sum += a[i];

}

printf("\nTong cac so chia het cho 5 la: %d", sum);

printf("\nCac so chinh phuong la: ");

for (int i = 0; i < n; i++) {

int test = sqrt(a[i]);

if (test * test == a[i]) 

printf("\n%d", a[i]);

}

for(int i = 0; i < n - 1; i++)

        for (int j = i; j < n; j++)

            if (a[j] % 2 == 0) {swap(a[i], a[j]); break;}

printf("\nSau sap xep: ");

for (int i = 0; i < n; i++) 

printf("%d ", a[i]);

}

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

void swap(int &a, int &b) {
	
	int temp = a;
	a = b;
	b = temp;
	
}

int main() {

	printf("\nNhap n: ");
	int n; scanf("%d", &n);
	
	int a[n], sum = 0;
	
	printf("\nNhap mang: ");
	
	for (int i = 0; i < n; i++) {
		
		printf("\nNhap a[%d]: ", i);
		scanf("%d", &a[i]);
		
		if (a[i] % 5 == 0) sum += a[i];
		
	}
	
	printf("\nTong cac so chia het cho 5 la: %d", sum);
	
	printf("\nCac so chinh phuong la: ");
	
	for (int i = 0; i < n; i++) {
		
		int test = sqrt(a[i]);
		
		if (test * test == a[i]) 
			printf("\n%d", a[i]);
		
	}
	
	for(int i = 0; i < n - 1; i++)
        for (int j = i; j < n; j++)
            if (a[j] % 2 == 0) {swap(a[i], a[j]); break;}
	
	printf("\nSau sap xep: ");
	
	for (int i = 0; i < n; i++) 
		printf("%d ", a[i]);

}

2020-10-20 14:06:03

#123.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct Student_ST {
	char name[50];
	char rollno[20];
	int age;
} Student;


int main(int argc, char *argv[]) {
    
	Student studentList[5];
	int i;
	for(i=0;i<5;i++) {
		printf("\nNhap thong tin sinh vien thu %d", i + 1);
		printf("\nNhap ten: ");
		fflush(stdin);fflush(stdout);
		gets(studentList[i].name);
		
		printf("\nNhap tuoi: ");
		fflush(stdin);fflush(stdout);
		scanf("%d", &studentList[i].age);
	}
	
	//Hien thi thong tin sinh vien
	for(i=0;i<5;i++) {
         if(sqrt(studentList[i].age)*sqrt(studentList[i].age)==studentList[i].age){
		printf("\nTen: %s, tuoi: %d", studentList[i].name, studentList[i].age);
	}
	
	return 0;
}

#test.c

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

//BAI 1:
int main(int argc, char *argv[]) {
	int N;
	printf("\nNhap so N= ");
	scanf("%d", &N);
	
	int k[N], i;
	for(i = 0;i < N;i++){
		printf("\nNhap k[%d]=", i);
		scanf("%d", &k[i]);
	}
	int sum = 0;
	for(i = 0;i < N;i++){
		if(k[i]%5==0){
			sum+=k[i];
		}
	}printf("\nTong=%d",sum);
	for(i = 0;i < N;i++){
		if(sqrt(k[i])*sqrt(k[i]) == k[i]){
			printf("\n%d", k[i]);
		}
	}

	int p, n;
	for(i = 0;i < N;i++){
		for(p = i +1;p < N;p++){
			if(k[p]%2==0){
				n = k[i];
				k[i] = k[p];
				k[p] = n;
			}
		}
	}printf("\nMang sau khi sap xep: ");
	for(i = 0;i < N;i++){
		printf("%d", k[i]);
	}
	return 0;
}

2020-10-20 14:05:28

#include<stdio.h>
#include<math.h>

int tong(int *p,int n){
	int tong=0;
	int i;
	for(i=0;i<n;i++){
		if(p[i] % 5 ==0){
			tong=tong+p[i];
		}
	}
	return tong;
}

void sochinhphuong(int *p,int n){
	int i;
	printf("\nCac so chinh phuong la:");
	for(i=0;i<n;i++){
		if(sqrt(p[i]) * sqrt(p[i]) == p[i]){
			printf(" %d",p[i]);
		}
	}
}

void sapxep(int *p,int n){
	int i,j;
	printf("\nDay so duoc sap xep theo yeu cau la:");
	for(i=0;i<n-1;i++){
		for(j=i+1;j<n;j++){
			if(p[j]<p[i]){
				int temp=p[i];
				p[i]=p[j];
				p[j]=temp;
			}
		}
	}
	for(i=0;i<n;i++){
		if(p[i] % 2 ==0){
			printf(" %d",p[i]);
		}
	}
	for(i=0;i<n;i++){
		if(p[i] % 2 !=0){
			printf(" %d",p[i]);
		}
	}
}

int main(){
	int n;
	printf("\nNhap so phan tu trong mang: ");
	scanf("%d",&n);
	int a[n];
	int i;
	printf("\nNhap vao mang gom %d so nguyen:",n);
	for(i=0;i<n;i++){
		printf("\na[%d]= ",i);
		scanf("%d",a+i);
	}
	printf("\nTong cac so chia het cho 5 la %d",tong(a,n));
	sochinhphuong(a,n);
	sapxep(a,n);
	return 0;
}

2020-10-20 14:04:02

C2002L

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
	int n, i;
	int s=0;
	printf("\nnhap n: ");
	scanf("%d", &n);
	int t[n];
	for(i=0;i<n;i++){
		printf("\nt[%d]: ",i+1);
		scanf("%d", &t[i]);
	}
	for(i=0;i<n;i++){
		if(t[i]%5==0){
			s=s+t[i];
		}
	}
	printf("\nTong cac so chia het cho 5: %d",s);
	printf("\n");
	printf("\nCac so chi phuong la: ");
	for(i=0;i<n;i++){
		if(sqrt(t[i])*sqrt(t[i])==t[i]){
			printf("\n%d",t[i]);
		}
	}
	int j;
	for(i=0;i<n-1;i++){
		for(j=i+1;j<n;j++){
			
			if(t[j] % 2 ==0 ){
				int temp = t[i];
				t[i] = t[j];
				t[j] = temp;
			}
		
		}
			
	}
	printf("\nDay so sau sap xep, cac so chan len dau, so le ve cuoi nhu sau: ");
	
	for(i=0;i<n;i++){
		printf("\n%d", t[i]);
	}
	return 0;
}

2020-10-20 14:03:05

Bai 1

#include<stdio.h>

#include<stdlib.h>

#include<math.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {

int N, i;

int s=0;

printf("Nhap N:");

scanf("%d", &N);

int arr[N];

for(i=0; i<N; i++){

printf("\n arr[%d]", i+1);

scanf("%d", &arr[i]);

}

for(i=0; i<N; i++){

if(arr[i]%5 == 0){

s=s+arr[i];

}

}

printf("\nTong cac so chia het cho 5=%d", s);

printf("\n");

printf("\nCac so chinh phuong :");

for(i=0; i<N; i++){

if(sqrt(arr[i])*sqrt(arr[i])== arr[i]){

printf("%d", arr[i]);

}

}

int j;

for(i=0; i<N; i++){

for(j=i; j<N; j++){

if(arr[j]%2 ==0){

int m = arr[i];

arr[i] = arr[j];

arr[j] = m;

}

}

}

printf("\nMang sau khi sap xep la:");

for(i=0; i<N; i++){

printf("%d", arr[i]);

}

return 0;

}

Bai 2

#include <stdio.h>

#include <stdlib.h>

#incluce <math.h>

typedef struct SinhVien{

char name[50];

char rollno[20];

int age;

}SinhVien;

int main(int argc, char *argv[]) {

int n;

printf("\nNhap so luong sinh vien: ");

scanf("%d", &n);

SinhVien SinhVienlist[n];

int choose, i;

do{

printf("\n1.Khai bao mang gom n sinh vien");

printf("\n2.Hien thi hien thi thong tin sinh vien co tuoi la so chinh phuong");

printf("\n3.Thoat");

printf("\nchon: ");

scanf("%d", %choose);

switch(choose){

case 1:

for(i=0; i<n; i++){

printf("\nSinh vien thu %d", i+1);

fflush(stdin),fflush(stdout);

printf("\nNhap ten: ");

fflush(stdin),fflush(stdout);

gets(SinhVienlist[i].name);

printf("\nNhap ma sinh vien: ");

fflush(stdin),fflush(stdout);

gets(SinhVienlist[i].rollno);

printf("|nNhap tuoi: ");

fflush(stdin),fflush(stdout);

scanf("%d", SinhVienlist[i].age);

}

break;

case 2:

int count=0;

for(i=0; i<n; i++){

if(sqrt(SinhVienList[i].age)*sqrt(SinhVienList[i].age)==SinhVienList[i].age){

    count++;

    }

    if(count!=0){

for(i=0; i<n; i++){

if(sqrt(SinhVienList[i].age)*sqrt(SinhVienList[i].age)==SinhVienList[i].age){

printf("\nDanh sach sinh vien co tuoi là so chinh phuong la:\n");

}

}

}

}

break;

case 3:

printf("\nExit!");

break;

default;

printf("\nNhap sai!!");

break;

}

}while(choose != n);

return 0;

}