题解 | #删除字符串中出现次数最少的字符#
删除字符串中出现次数最少的字符
https://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
#include <iostream> using namespace std; int main() { string str; int a[30] = {0}; cin >> str; for(int i = 0; i < str.length(); i ++){ a[str[i] - 97] ++; } int min = 100; for(int i = 0; i < 30 ;i ++){ if(a[i] < min && a[i] > 0){ min = a[i]; } } string newstr; for(int i = 0; i < str.length(); i ++){ if(a[str[i]-97] > min) newstr += str[i]; } cout << newstr <<endl; return 0; } // 64 位输出请用 printf("%lld")