Compilare: user.cpp: In function ‘int main()’: user.cpp:75:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==0) ^ user.cpp:75:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==0) ^ user.cpp:75:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==0) ^ user.cpp:78:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:78:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:78:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:78:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:78:70: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:78:83: warning: array subscript has type ‘char’ [-Wchar-subscripts] mat[aux.x][aux.y][aux.z]=mat[q.front().x][q.front().y][q.front().z]+1; ^ user.cpp:101:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:101:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:101:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:101:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:101:70: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:101:83: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mat[aux.x][aux.y][aux.z]==mat[q.front().x][q.front().y][q.front().z]-1) ^ user.cpp:22:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alge.in","r",stdin); ^ user.cpp:23:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]