2020-09-11 09:04:04

#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 ngay,thang,nam;
	printf("Ngay: ");
	scanf("%d", &ngay);
	
	printf("Thang: ");
	scanf("%d", &thang);
	
	printf("Nam: ");
	scanf("%d", &nam);
	
	
	
	printf("Ngay hien tai: %d/%d/%d", ngay, thang, nam);
	
	
	
	
	return 0;
}

2020-09-11 09:02:40

#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[]) {
	
	float a;
	printf("Nhap gia tri a = ");
	scanf("%f", &a);
	
	printf("\nGia tri a^2 = %f", a*a);	
	printf("\nGia tri a^3 = %f", a*a*a);
	printf("\nGia tri a^4 = %f", a*a*a*a);

	
	
	
	return 0;
}

2020-09-11 08:46:18

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

int main() {
	
	int a, b;
	
	printf("Nhap a = "); scanf("%d", &a);
	printf("Nhap b = "); scanf("%d", &b);
	
	int cong = a + b; printf("\na + b = %d", cong);
	
	int tru = a - b; printf("\na - b = %d", tru);
	
	int nhan = a * b; printf("\na x b = %d", nhan);
	
    float chia = (float)a / (float)b;
    if (chia == (int)chia) printf("\na : b = %.0f", chia);
    else printf("\na : b = %.2f", chia);
    
    return 0;
	
}

2020-09-11 08:45:34

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

int main() {
	
	int dd, mm, yy;
	
	printf("INPUT DAY: "); scanf("%d", &dd);
	printf("INPUT MONTH: "); scanf("%d", &mm);
	printf("INPUT YEAR: "); scanf("%d", &yy);
	printf("%d/%d/%d", dd, mm, yy);
	
	return 0;
	
}

2020-09-11 08:36:09

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

int main() {
	
	int a; printf("Nhap a = "); scanf("%d", &a);

	int a1 = a * a, a2 = a * a * a, a3 = a * a * a * a;

	printf("a^2 = %d\na^3 = %d\na^4 = %d", a1, a2, a3);
	
	return 0;
	
}

2020-09-11 07:35:04

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

int main()
 {
            int a, A, B, C;
            printf("Nhap so a:");
            scanf("%d", &a);
            A = a*a;
            B = a*a*a;
            C = a*a*a*a;
            printf("Binh phuong la: %d\n", A);
            printf("Lap phuong la: %d\n", B);
            printf("Luy thua cap bon la: %d", C);
            return 0;

}

2020-09-11 07:08:28

#include<stdio.h>
#include<math.h>
int main()
{
	float a,b,tong,hieu,tich,thuong;
	printf("\nNhap a= ");
	scanf("%f", &a);
	printf("\nNhap b= ");
	scanf("%f", &b);
	
	tong=a+b;
	hieu=a-b;
	tich=a*b;
	thuong=a/b;
	printf("\n tong =%f", tong);
	printf("\n hieu=%f", hieu);
	printf("\n tich=%f", tich);
	printf("\n thuong=%f", thuong);
	return 0;
}

2020-09-11 06:46:06

#include<stdio.h>
int main()
{
	int dd,mm,yyyy;
	 printf("\nNgay: ");
    scanf("%d",&dd);
 
    printf("\nThang: ");
    scanf("%d",&mm);
 
    printf("\nNam: ");
    scanf("%d",&yyyy);
 
    printf("\nNgay thang nam vua nhap la: %d/%d/%d",dd,mm,yyyy);
    return 0;
	
}

2020-09-11 06:46:03

#include <stdio.h>
#include <conio.h>

void main()
{
    float a[4],b[2];
    float D,Dx,Dy,Dz,Dt,x,y;
    int rA,rB;
    printf("\nGiai he phuong trinh bac nhat 2 an");
    printf("\n");
    printf ("\n Nhap he so a1: ");
    scanf("%f", &a[0]);
    printf ("\n Nhap he so b1: ");
    scanf("%f", &a[1]);
    printf ("\n Nhap he so c1: ");
    scanf("%f", &b[0]);
    printf ("\n Nhap he so a2: ");
    scanf("%f", &a[2]);
    printf ("\n Nhap he so b2: ");
    scanf("%f", &a[3]);
    printf ("\n Nhap he so c2: ");
    scanf("%f", &b[1]);
    D=((a[0]*a[3])-(a[1]*a[2]));
    Dx=((b[0]*a[3])-(b[1]*a[1]));
    Dy=((a[0]*b[1])-(a[2]*b[0]));
    Dz=((a[0]*b[1])-(a[2]*b[0]));
    Dt=((a[1]*b[1])-(a[3]*b[1]));
    if (D==0) rA=1;
    else rA=2;
    if((Dz==0)&&(Dt==0)) rB=1;
    else rB=2;
    if((rA==1)&&(rB==1)) printf("\nHe phuong trinh co vo so nghiem")
    &&printf("\n");
    else if ((rA==1)&&(rB==2)) printf("\nHe phuong trinh vo nghiem")
    &&printf("\n");
    else ((x=Dx/D)&&(y=Dy/D))
    &&printf("\nNghiem cua he phuong trinh la: ")
    &&printf("\n")
    &&printf("\nx = %f\ny = %f\n ", x, y)
    &&printf("\n");
    printf("\nPress any key to exit...");
	getch();	
}

2020-09-11 06:45:45

#include<stdio.h>
#include<math.h>
int main()
{
	int a;
	printf("Nhap gia tri cua a= ");
	scanf("%d", &a);
	int x,y,z;
	x=a*a;
	y=a*a*a;
	z=a*a*a*a;
	printf("\nGia tri cua x=%d" ,x);
	printf("\nGia tri cua y=%d" ,y);
	printf("\nGia tri cua z=%d" ,z);
	return 0;
}