#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[]) {
	//Ung dung white, do .. white de tinh tong cac so tu 1 -> 10
	int i = 1;
	int sum = 0;
	
	while(i<=10) {
		sum += i;
		i++;
	}
	
	printf("\nTong: %d", sum);
	
	//Su dung for -> de giai quyet bai toan tren
	sum = 0;
	
	for(i=1;i<=10;i++) {
		sum += i;
	}
	printf("\nTong: %d", sum);
	
	sum = 0;
	i = 0;
	
	for(;i<=10;i++) {
		sum+=i;
	}
	printf("\nTong: %d", sum);
	
	sum = 0;
	i = 0;
	
	for(;i<=10;) {
		sum+=i;
		i++;
	}
	printf("\nTong: %d", sum);
	
	sum = 0;
	i = 0;
	
	for(;;) {
		sum+=i;
		i++;
		printf("\ni = %d", i);
		if(i>10) {
			break;
		}
	}
	printf("\nTong: %d", sum);
	
	return 0;
}