字母的出現(xiàn)次數(shù)統(tǒng)計(jì)
#include <bits/stdc++.h> using namespace std; int main(){ string a; getline(cin,a); string a1; map<char,int> x; char max1; int max2; for(int i = 0;i<a.size();i++){ if(a[i]>='A' && a[i]<='Z' || a[i]>='a' && a[i]<='z'){ if(a[i]>='A' && a[i]<='Z'){ a[i] += 32; } x[a[i]]++; max2 = max(x[a[i]],max2); if(max2==x[a[i]]){ max1 = a[i]; } a1 += a[i]; } } cout<<max1<<" "<<max2; return 0; }

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