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38 lines
527 B
38 lines
527 B
#include<cstdio>
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#include<cmath>
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int main () {
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int i , j,k,sum=0,cnt,s;
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int t;
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int a[12]= {0};
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for(i=0; i<12; i++) {
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scanf("%d",&a[i]);
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}
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for(i=0; i<12; i++) {
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if(i==0) {
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if(300-a[i]>=0) {
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t=(300-a[i])/100;
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sum=300-a[i]-t*100;
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}
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if(300-a[i]<0) {
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printf("-1");
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}
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}
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}
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cnt=t;
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s=sum;
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for(i=1; i<12; i++) {
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if(s+300-a[i]>=0) {
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j=(s+300-a[i])/100;
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cnt+=j;
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s=s+300-a[i]-j*100;
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if(i==11) {
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printf("%d",s+cnt*120);
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}
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} else {
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printf("%d",-(i+1));
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return 0;
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}
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}
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}
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