Probleme pt Ruxi Puxi

Problema 1

#include <iostream>
#include <string.h>
using namespace std;
char s[105], x[15], v[105], *p;
int main(){
    cin.getline(s, 100);
    cin.getline(x, 15);
    p=strstr(s, x);
    while(p!='\0'){
        strcpy(v, p+strlen(x));
        s[p+strlen(x)-s]='?';
        strcpy(p+strlen(x)+1, v);
        p=strstr(p+strlen(x)+1, x);
    }
    cout << s;
    return 0;
}

------------------

Problema 2

#include <iostream>
#include <string.h>
using namespace std;
int i;
char s1[201], s2[201], voc[]="aeiou";
int main(){
    cin >> s1;
    cin >> s2;
    for(i=0;i<strlen(s1);++i)
        if(strchr(voc, s1[i]) && strchr(voc, s2[i]))
            cout << '*';
        else
            if(!strchr(voc, s1[i]) && !strchr(voc, s2[i]))
                cout << '#';
            else cout << '?';
    return 0;
}