题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
最粗暴就是得到字符大小写,大小写就++
#include<iostream> #include<string> #include<algorithm> using namespace std; int main() { string s; char c,a; getline(cin,s); cin >> c; if (islower(c)) { a = toupper(c); } else { a = tolower(c); } int num = 0; for (auto it : s) { if (it == a || it == c) { num++; } } cout << num; return 0; }
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