題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=949
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| #include <iostream>
#include <ctype.h>
#include <string>
#include <algorithm>
using namespace std;
int main(){
int arr[128+5] = {};
int n;
cin >> n >> ws;
while(n--){
string s;
getline(cin, s);
for(int i=0; i<s.length(); ++i){
if(isalpha(s[i])){
s[i] = toupper(s[i]);
++arr[(int)s[i]];
}
}
}
int maxi = 0;
for(int i=0; i<133; ++i){
maxi = max(maxi, arr[i]);
}
for(int i=maxi; i>=1; --i){
for(int j=0; j<133; ++j){
if(arr[j] == i) cout << (char)j << ' ' << i << '\n';
}
}
return 0;
}
|
