Compilare: user.cpp: In function ‘void SpecBFS(int, int)’: user.cpp:102:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x2][y2] != '#' && d[x2][y2][ a[i][j] ][ a[i][j] ] == oo) ^ user.cpp:102:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x2][y2] != '#' && d[x2][y2][ a[i][j] ][ a[i][j] ] == oo) ^ user.cpp:105:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x2][y2][ a[i][j] ][ a[i][j] ] = d[x][y][ a[i][j] ][ a[i][j] ] + 1; ^ user.cpp:105:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x2][y2][ a[i][j] ][ a[i][j] ] = d[x][y][ a[i][j] ][ a[i][j] ] + 1; ^ user.cpp:105:68: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x2][y2][ a[i][j] ][ a[i][j] ] = d[x][y][ a[i][j] ][ a[i][j] ] + 1; ^ user.cpp:105:79: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x2][y2][ a[i][j] ][ a[i][j] ] = d[x][y][ a[i][j] ][ a[i][j] ] + 1; ^ user.cpp: In function ‘void Solve_2()’: user.cpp:115:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i = 0; i < K; ++i) tab[cuv[i]] = i+1; ^ user.cpp:118:69: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i][j] >= 'A' && a[i][j] <= 'Z') a[i][j] = tab[ a[i][j] ]; ^ user.cpp:129:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j][a[i][j]][a[i][j]] = 0; ^ user.cpp:129:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j][a[i][j]][a[i][j]] = 0; ^ user.cpp:113:15: warning: unused variable ‘t’ [-Wunused-variable] int i,j,k,t,ii,jj,res=oo; ^ user.cpp: In function ‘void Read()’: user.cpp:30:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d\n",&p,&N,&M); ^ user.cpp:31:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",cuv); ^ user.cpp:35:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",temp); ^