21 lines
391 B
C++
21 lines
391 B
C++
#include <iostream>
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int minBlood = 0, blood = 0;
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int main() {
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int n, current;
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std::cin >> n;
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for (int i = 0; i < n; i++) {
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std::cin >> current;
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blood += current;
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minBlood = std::min(minBlood, blood);
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}
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if (minBlood >= 0) {
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std::cout << 1 << std::endl;
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} else {
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std::cout << -minBlood + 1 << std::endl;
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}
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return 0;
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}
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