PAT-A 1006. Sign In and Sign Out (25)
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注意点:
字符串可以直接比较大小。
代码:
#include<iostream>#include<string>using namespace std;int main(){ string s1, s2, s3, min, max, ans1, ans2; int i, n; cin >> n; min = "23:59:59"; max = "00:00:00"; for (i = 0; i < n; i++) { cin >> s1 >> s2 >> s3; if (s2 < min) { ans1 = s1; min = s2; } if (s3 > max) { ans2 = s1; max = s3; } } cout << ans1 << " " << ans2 << endl; return 0;}
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