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题解 | #与7无关的数#

#include <iostream> using namespace std; bool isUnrelevantSeven(int n){ if(n%7 == 0)return false; string s = to_string(n); for(int ...

2024-03-12

0 164

题解 | #百鸡问题#

#include <iostream> using namespace std; int main() { int n;cin>>n; for(float i=0;i<=100;i+=1){ for(float j =0;j<=1...

2024-03-12

0 149

题解 | #数字反转#

#include <bits/stdc++.h> using namespace std; string f(int a, int b){ int sum = a+b; string temp = to_string(sum); string s1 = to_s...

2024-03-12

0 165

题解 | #完数#

#include <iostream> using namespace std; bool isWan(int n){ int sum=0; for(int i =1;i<n;i++) if(n%i == 0)sum+=i; return s...

2024-03-12

1 188

题解 | #反序相等#

#include <bits/stdc++.h> using namespace std; string f(int i){ i*=9; string s = to_string(i); reverse(s.begin(),s.end()); retur...

2024-03-12

0 194

题解 | #分段函数#

#include <bits/stdc++.h> using namespace std; double f(double x){ double res = 0; if(0<=x && x<2){ res = -x+2.5; ...

2024-03-12

0 186

题解 | #对称矩阵#

#include <bits/stdc++.h> using namespace std; int main() { int n; while(cin>>n){ int arr[n][n]; int temp; for(int i ...

2024-03-12

0 208

题解 | #字符串排序#

#include <bits/stdc++.h> using namespace std; bool cmp(string s1,string s2){ return s1.length()<s2.length(); } int main() { string ...

2024-03-11

0 194

题解 | #成绩排序#

#include <bits/stdc++.h> using namespace std; class person { public: int no; int score; void say(){ cout<<no<<...

2024-03-11

0 139

题解 | #统计单词#

#include <bits/stdc++.h> using namespace std; int main() { string s; vector<string>v; while(cin>>s){ if(s.find(...

2024-03-11

0 158