摘要：
又是水题。。看来POJ开头的都是水题啊~#include <stdio.h>int main(){ freopen("1.txt", "r", stdin); float sum = 0, t; int m = 0; while( scanf("%f", &t) != EOF ) { sum += t; m++; } printf("$%.2f\n", sum/m);} 阅读全文
摘要：
1 #include <stdio.h> 2 #define E 0.001 3 4 int main() 5 { 6 double t; 7 while( scanf("%lf", &t) && t <=-E || t >= E ) 8 { 9 double sum =0, i;10 for(i =2; ; i++)11 {12 sum +=1/i;13 if( sum - t > E)14 break;15 }16 printf("%d card(s)\n", (int)(i-1) );17 }1 阅读全文