20 lines
360 B
C++
20 lines
360 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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//输入+输出重定向
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freopen("../time.in", "r", stdin);
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freopen("../time.out", "w", stdout);
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int a, b, c, d;
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cin >> a >> b >> c >> d;
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cout << c * 60 + d - a * 60 - b << endl;
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//关闭文件
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fclose(stdin);
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fclose(stdout);
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return 0;
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}
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