杭电acm2058

J 如果不这样写会超市

#include <stdio.h>#include <math.h>int main() {int n, m, i, j;while(scanf("%d%d", &n, &m) != EOF) {if(n==0 && m==0)break;for(j=(int)sqrt((double)(2*m)); j>=1; j--) {i = (2*m/j+1-j) / 2;if((2*i+j-1)*j/2 == m)printf("[%d,%d]\n", i, i+j-1);}printf("\n");}return 0;}