谁拿了最多的奖学金(c)

大妈们,帮我看看,哪错了呀?怎么提交才是正确的呀!怎么总0分???

#include

using namespace std;

int main(){

int i,j,n,qm,py,lw,prize,maxx=0;

long total=0;

char a[20],name[20],xb,gb;

fin>>n;

for(i=1;i>a>>qm>>py>>gb>>xb>>lw;

prize=0;

if((qm>80)&&(lw>0)) prize+=8000;

if((qm>85)&&(py>80)) prize+=4000;

if(qm>90) prize+=2000;

if((qm>85)&&(xb=='Y')) prize+=1000;

if((py>80)&&(gb=='Y')) prize+=850;

total+=prize;

if(prize>maxx){

maxx=prize;

for(j=0;j