Compilare: user.cpp: In function ‘int main()’: user.cpp:2:119: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int l,n,a,ma=INT_MIN;char b;int main(){ifstream f ("furnici.in");freopen("furnici.out","w",stdout);f>>l>>n;n++;while(--n){f>>a>>b;if(b=='S')ma=max(ma,a);else ma=max(ma,l-a);}printf("%d\n",ma);return 0;} ^