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全部文章（共31篇）

题解 | 平方根

#include <iostream> #include<cmath> using namespace std; int main() { int a, b; cin >> a; b = sqrt(a); cout <<...

2026-01-29

0 24

题解 | 整数的十位

#include <iostream> using namespace std; int main() { int a, b; cin >> a; b = a % 100 / 10; cout << b << endl...

2026-01-29

0 20

题解 | 整数的个位

#include <iostream> using namespace std; int main() { int a, b; cin >> a; b = a % 10; cout << b << endl; ...

2026-01-29

0 20

题解 | 计算带余除法

#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; int c = a / b; int d = a - b * c; cou...

2026-01-29

0 18

题解 | 疫情死亡率

#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; double c; c = (double)b / a * 100; ...

2026-01-29

0 20

题解 | 【模板】牛牛学加法

#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; cout << a + b << endl; r...

2026-01-29

0 19

题解 | 复读机

#include <iostream> #include <cstdio> using namespace std; int main() { long long a, b; float c; string d, e; cin >>...

2026-01-29

0 23

题解 | 牛牛学说话之-字符串

#include <iostream> using namespace std; int main() { string s; cin >> s; cout << s; return 0; } // 64 位输出请用 printf...

2026-01-29

0 20

题解 | 【模板】牛牛学说话之-浮点数

#include <iostream> using namespace std; int main() { double x; cin >> x; cout << x; return 0; }

2026-01-29

0 24

题解 | 【模板】牛牛学说话之-整数

#include<iostream> using namespace std; int main(){ int n; cin >> n; cout << n; return 0; }

2026-01-21

0 21