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题解 | #打印极值点下标#

纯模拟 #include <iostream> using namespace std; const int N = 150; int a[N]; int n; int main() { while (cin >> n) { for (i...

C++

2022-01-23

0 393

题解 | #全排列#

回溯法 #include <iostream> #include <string> using namespace std; const int N = 10; int n; char path[N]; string str; bool vis[N]; void dfs...

C++

2022-01-22

0 435

题解 | #谁是你的潜在朋友#

直接存映射 #include <iostream> using namespace std; const int N = 210; int a[N], b[N]; int main() { int n, m; scanf("%d%d", &n, &m)...

C++

2022-01-21

0 343

题解 | #查找学生信息#

用STL自带的哈希存 #include <iostream> #include <string> #include <unordered_map> using namespace std; struct Student { string name; ...

C++

2022-01-21

0 397

题解 | #求最大最小数#

不需要排序，在读入的过程中维护好最大最小值就行了 #include <iostream> using namespace std; int main() { int n, tmp; while (cin >> n) { int MAX...

C++

2022-01-21

7 406

题解 | #成绩排序#

#include <iostream> #include <algorithm> using namespace std; struct Student { int num; int grade; } students[105]; bool cmp(Stu...

C++

2022-01-21

0 298

题解 | #质因数的个数#

#include <iostream> using namespace std; int cnt; void divide(int x) { for (int i = 2; i <= x / i; ++i) { if (x % i == 0) ...

C++

2022-01-21

0 326

题解 | #小白鼠排队#

建结构体，然后排序 #include <iostream> #include <string> #include <algorithm> using namespace std; struct Mouse { int weight; string hat...

C++

2022-01-21

0 365

题解 | #特殊乘法#

不用太麻烦，直接整个字符串存起来就好了 #include <iostream> #include <string> using namespace std; int main() { string s1, s2; cin >> s1 >&g...

C++

2022-01-21

19 516

题解 | #n的阶乘#

用递推比递归更加快 #include <iostream> using namespace std; typedef long long LL; LL fact[25]; int main() { int n; cin >> n; fact[0] ...

C++

2022-01-21

0 340