#include <stdio.h>
int main(){
	int t, n, i;
	char name[21];
	long sum;
	int score;
    scanf("%d%d", &t,&n);
	while( t!=0 && n!= 0){
		sum = 3*n;
		for(i = 1; i <= n; i++){
			scanf("%s%d", name,&score);
			sum =sum - score;
		}
		printf("%d\n",sum);
		scanf("%d%d", &t,&n);
	}
	return 0;
}


	

• Re:就计算一个求和，一个乘法一个减法，竟TLE了，帮我看看！ (424) ngn999 2008-07-23 19:15:49