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#include<iostream> using namespace std; int main(){ float x; cin >> x; cout << x * x; return 0;} 阅读全文
posted @ 2021-09-18 17:32
Leeeeeeeeeeeeee
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#include<iostream> using namespace std; int main(){ int x; int y; cin >> x >> y; cout << x + y << " " << x - y << " " << x * y << " " << x / y << " " 阅读全文
posted @ 2021-09-18 17:30
Leeeeeeeeeeeeee
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#include<iostream> using namespace std; int main(){ int x; int y; cin >> x >> y; cout << x*2+ y*2<< " " << x*y; return 0;} 阅读全文
posted @ 2021-09-18 17:27
Leeeeeeeeeeeeee
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#include<iostream> using namespace std; int main(){ int n; cin>>n; cout << n * 4 << " " << n * n; return 0;} 阅读全文
posted @ 2021-09-18 17:24
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#include<iostream> using namespace std; int main(){ int n; int m; cin >> n >> m; cout << n + m; return 0;} 阅读全文
posted @ 2021-09-18 17:20
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