26 lines
448 B
C++
26 lines
448 B
C++
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#include<iostream>
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#include<stdio.h>
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using namespace std;
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int main() {
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int i,month,left=0,save=0,sum,plan,flag=0;
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for(month=1; month<=12; month++) {
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left+=300;
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scanf("%d",&plan);
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left = left - plan;
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if(left<0) {
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flag=1;
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break;
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} else {
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i = left/100;
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save += (100*i);
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left -= (100*i);
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}
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}
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if(flag>0)
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printf("-%d",month);
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else {
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sum=((1.2*save) + left);
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printf("%d",sum);
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}
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return 0;
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}
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