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
#include <iostream> using namespace std; int main() { string input1; char input2; int count = 0; getline(cin, input1); cin >> input2; input2 = tolower(input2); for (auto ch : input1) { if (tolower(ch) == input2) count++; } cout << count << endl; } // 64 位输出请用 printf("%lld")
思路:首先读取输入字符串和目标字符串,然后将目标字符串转化为小写,然后遍历输入字符串,统计目标字符串的出现次数