12 2023 档案

摘要：#include<stdio.h> #define N 2 int main(){ char *x[N]={"0123456789-0123456789", "nuist2023 - nuist2024" }; int i; FILE *fp; fp=fopen("data4.txt","w"); 阅读全文

摘要：#include <stdio.h> #define N 80 void replace(char *str, char old_char, char new_char); int main() { char text[N] = "c programming is difficult or not, 阅读全文