7-10统计字符出现次数

import java.util.Scanner; public class S7_10 { static String str; static char c; static int cnt; public static void main(String[] args) { Scanner sc = new Scanner(System.in); str = sc.nextLine(); c = sc.nextLine().charAt(0); for (int i = 0; i < str.length(); i++) { if (str.charAt(i) == c) { cnt++; } } System.out.println(cnt); } } #include <iostream> #include<stdio.h> #include<string.h> #define N 85 using namespace std; int main(void) { int i, len = 0, cnt = 0; char ch; char str[N]; //存储输入的字符串 char c; //要查找的字符 ch = getchar(); //输入字符串 for (i = 0; ch != '\n'; i++){ str[i] = ch; len++; ch = getchar(); } scanf("%c",&c); //输入要查找的字符 for (i = 0; i < len; i++) //查找字符并统计其出现次数 { if (c == str[i]) { cnt++; } } printf("%d\n", cnt); return 0; }