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代码:
- #include <iostream>
- using namespace std;
- int main() {
- int y, m, r;
- bool a;
- cin >> y >> m;
- a = ((!(y % 4) && (y % 100))) || !(y % 400);
- switch (m) {
- case 1: r = 31; break;
- case 2: r = a ? 29 : 28; break;
- case 3: r = 31; break;
- case 4: r = 30; break;
- case 5: r = 31; break;
- case 6: r = 30; break;
- case 7: r = 31; break;
- case 8: r = 31; break;
- case 9: r = 30; break;
- case 10: r = 31; break;
- case 11: r = 30; break;
- case 12: r = 31; break;
- default: r = 0; break;
- }
- cout << r;
- return 0;
- }
复制代码
运行结果:
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