a ul e super simplu. fac b ul. oricum sunt asemanatoare. declari tu variabilele. nu sustin cu tarie ca e bine:)
#include<iostream>
#include<cstring>
using namespace std;
int
char
int main()
{cin.getline(u,31);
cin.getline(v,31);
cin.getline(s,256);
n=strlen(u);
m=strlen(v);
{
l=strtok(s," ");
while(p!=0)
{p=strstr(s,u);
while(p!=NULL)
{
strcpy(aux,p+n);
strcpy(p,v)
strcpy(p+n,aux);
p=strstr(p+m,u);
l=strtok(NULL," ")
}
cout<<s;
return 0;}