杭电acm1003

WA了好几次，原因是开始写的是

int t, n, sum, max, start, end, i, j, temp;

int flag=0;

改成这样就AC了：

int t, n, sum, max, start, end, i, j, temp, flag;

#include <stdio.h>

int main() {
	
	int t, n, sum, max, start, end, i, j, temp, flag;
	//flag : flag the start position
	scanf("%d", &t);
	for(j=0; j<t; j++) {
		scanf("%d", &n);
		sum = 0;
		start = 0;
		end = 0;
		flag = 0;
		max = -1001;// because all the integers are between -1000 and 1000
		for(i=0; i<n; i++) {
			scanf("%d", &temp);
			
			sum += temp;
			if(max < sum) {
				max = sum;
				start = flag;
				end = i;
			}
			if(sum < 0) {
				flag = i + 1;
				sum = 0;
			}
		}
		printf("Case %d:\n%d %d %d\n", j+1, max, start+1, end+1);  
        if(j<t-1)  
            printf("\n");  
	}
	
	return 0;
}