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31 lines
719 B
31 lines
719 B
#include <bits/stdc++.h>
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using namespace std;
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int c, x, y;
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int main() {
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// 12个月
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for (int i = 1; i <= 12; i++) {
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//每个月领取到300元钱
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x += 300;
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scanf("%d", &c);
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//如果不够花
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if (c > x) {
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printf("%d\n", -i);
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exit(0);
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}
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//如果花完还剩100元以上
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if (x - c >= 100) {
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//将整百的钱，存到妈妈处
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y += (x - c) / 100 * 100;
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//津津的钱减少了
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x = (x - c) % 100;
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} else
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//直接花掉c元
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x = x - c;
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}
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//如果够花
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printf("%d\n", x + (int)(y * 1.2));
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return 0;
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}
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