c++如何巧妙变为c，青高收捷达

c++如何巧妙变为c，青高收捷达

 
#include<iostream>
using namespace std;
int main()
{
    string str1,str2;
    int n;
    cin>>n;
    while(n--)
    {
        cin>>str1>>str2;
        int find=str1.find(str2);
        if(find!=string::npos) cout<<"Found!"<<endl;
        else cout<<"not Found!"<<endl;
    }
}

供参考：

#include <stdio.h>
#include <string.h>
#define MAXS 256
char* search(char* s, char* t);
int main()
{
    int n;
    char s[MAXS] = { 0 }, t[MAXS] = {0}, * pos;
    scanf("%d", &n);
    getchar();
    while (n--) {
        gets(s);
        gets(t);
        pos = search(s, t);
        if (pos != NULL)
            printf("Found!\n");
        else
            printf("Not Found!\n");
    }
    return 0;
}
char* search(char* s, char* t)
{
    int i, j, k, flg;
    char* pos = NULL;
    for (i = 0, flg = 1; flg && s[i] != '\0'; i++)
        for (j = i, k = 0; t[k] == s[j]; k++, j++)
            if (t[k + 1] == '\0') { pos = s + i; flg = 0; break; }
    return pos;
}

#include <stdio.h>
#include <string.h>
int main()
{
 char s1[80],s2[80];
 int n;
 scanf("%d",&n);
 if (n<0) n=-n;
 while (n--) {
  fgets(s1,80,stdin);
  fgets(s2,80,stdin);
  char *p=strstr(s1,s2);
  if (p) printf("Found!"\n");
  else printf("not Found!\n");
 }
 return 0;
}