摘要： 做了三道水题，练手。水题也要细心POJ 1004：/*Accepted 180K 0MS C++ 187B 2012-04-26 16:48:20 */#include<cstdio>double a, sum;int main(){ sum = 0; for( int i = 0; i < 12; i ++) { scanf( "%lf", &a); sum += a; } printf( "$%.2lf\n", sum / 12); return 0;}POJ 2027/*Accepted 164K 0MS C++ 223B 阅读全文