22 lines
468 B
C++
22 lines
468 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int month, Left, save, plan;
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int main() {
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for (month = 1; month <= 12; month++) {
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Left += 300;
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cin >> plan;
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Left = Left - plan;
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if (Left < 0) {
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printf("-%d", month);
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exit(0);
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}
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int cnt = Left / 100;
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save += (100 * cnt);
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Left -= (100 * cnt);
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}
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printf("%d", (int)(1.2 * save) + Left);
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return 0;
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} |