Compilare: user.cpp: In function ‘int main()’: user.cpp:19:25: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (s[i]=='N') if (a[x][y]==1) a[x][y]=3; ^ user.cpp:21:25: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (s[i]=='S') if (a[x][y]==2) a[x][y]=3; ^ user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rezervatie.out","w",stdout); ^