Compilare: main.cpp: In function 'int main()': main.cpp:14:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.in","r",stdin); ^ main.cpp:15:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.out","w",stdout); ^ main.cpp:101:37: warning: 'poz2' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<mn-1<<" "<<poz1<<" "<<poz2; ^ main.cpp:101:28: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<mn-1<<" "<<poz1<<" "<<poz2; ^~~ main.cpp:72:15: warning: 'jc' may be used uninitialized in this function [-Wmaybe-uninitialized] aj[jl][jc]=1; ~~~~~~~~~~^~ main.cpp:72:15: warning: 'jl' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:51:15: warning: 'rc' may be used uninitialized in this function [-Wmaybe-uninitialized] ar[rl][rc]=1; ~~~~~~~~~~^~ main.cpp:51:15: warning: 'rl' may be used uninitialized in this function [-Wmaybe-uninitialized]