USACO 1.1.2 Greedy Gift Givers (gift1)

容易忽略除数不能为零这个条件！

 

/*ID: gengjia1LANG: CTASK: gift1*/#include <stdio.h>#include <stdlib.h>#include <string.h>#include <assert.h>int fine_name(char *tname, char pname[10][15], int NP) {int i;for(i = 0; i < NP; i++) {if (strcmp(pname[i], tname) == 0) {return i;}}return i; //assert(0);}int main(void) {FILE *fin = fopen ("gift1.in", "r");FILE *fout = fopen ("gift1.out", "w");int NP, i, j, money[10];char tname[15], pname[10][15];int amount, n, avg;fscanf (fin, "%d", &NP);assert(NP <= 10);for(i = 0; i < NP; i++) {fscanf(fin, "%s", pname[i]);money[i] = 0;}for(i = 0; i < NP; i++) {fscanf(fin, "%s %d %d", tname, &amount, &n);if(n != 0)avg = amount/n;/*除数不能为0！！*/elseavg = 0;money[fine_name(tname, pname, NP)] += -(avg * n);for(j = 0; j < n; j++) {fscanf(fin, "%s", tname);money[fine_name(tname, pname, NP)] += avg;}}for(i = 0; i < NP; i++) {fprintf (fout, "%s %d/n", pname[i], money[i]);}fclose(fin);fclose(fout);exit(0);}