USACO 1.1 Greedy Gift Givers

/*
ID: bpsaman1
LANG: C
TASK: gift1
*/
#include <stdio.h>

#define PERSONS 10
#define LEN_NAME 14

int numOfPersons;
typedef struct PERSON{
	char name[LEN_NAME + 1];
	int monney;
}Person;
Person arrayOfPerson[PERSONS + 1];

int strCmp(char *one, char *another){
	while (*one == *another){
		if (*one == '\0')
			return 0;
		one++;
		another++;
	}
	return (*one - *another);
}

int getPersonIndex(char *name){
	int indexOfPerson;
	for (indexOfPerson = 1; indexOfPerson <= numOfPersons; indexOfPerson++)
		if (strCmp(name, arrayOfPerson[indexOfPerson].name) == 0)
			return indexOfPerson;
	return 0;
}

int main(){
    FILE *fin  = fopen ("gift1.in", "r");
    FILE *fout = fopen ("gift1.out", "w");

	fscanf(fin, "%d", &numOfPersons);
	int indexOfPerson;
	for (indexOfPerson = 1; indexOfPerson <= numOfPersons; indexOfPerson++){
		fscanf(fin, "%s", arrayOfPerson[indexOfPerson].name);
		//别忘了数据初始化
		arrayOfPerson[indexOfPerson].monney = 0;
	}

	for (indexOfPerson = 1; indexOfPerson <= numOfPersons; indexOfPerson++){
		char personGiving[LEN_NAME + 1];
		int outcome, numOfPersonsGet;
		fscanf(fin, "%s %d %d", personGiving, &outcome, &numOfPersonsGet);

		//别忘了考虑除数为0的特殊情况
		if (numOfPersonsGet == 0)
			continue;

		int income = outcome / numOfPersonsGet;
		arrayOfPerson[ getPersonIndex(personGiving) ].monney -= income * numOfPersonsGet;

		while (numOfPersonsGet--){
			char personGet[LEN_NAME + 1];
			fscanf(fin, "%s", personGet);
			arrayOfPerson[ getPersonIndex(personGet) ].monney += income;
		}
	}

	for (indexOfPerson = 1; indexOfPerson <= numOfPersons; indexOfPerson++)
		fprintf(fout, "%s %d\n", arrayOfPerson[indexOfPerson].name, arrayOfPerson[indexOfPerson].monney);

	return 0;
}