Compilare: user.cpp: In function ‘int main()’: user.cpp:48:34: warning: narrowing conversion of ‘i’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] q.push_back({i,j}); ^ user.cpp:48:34: warning: narrowing conversion of ‘j’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:58:44: warning: narrowing conversion of ‘(((int)v2[k].punct::x) + i1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] q.push_back({i1+v2[k].x,j1+v2[k].y}); ^ user.cpp:58:55: warning: narrowing conversion of ‘(((int)v2[k].punct::y) + j1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] q.push_back({i1+v2[k].x,j1+v2[k].y}); ^ user.cpp:60:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l==q.size()-1) break; ^ user.cpp:21:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sahara.in","r",stdin); ^ user.cpp:22:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sahara.out","w",stdout); ^ user.cpp:24:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&n,&m,&Q,&t); ^ user.cpp:27:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d",&x1,&y1,&x2,&y2,&val); ^