Compilare: main.cpp: In function 'void read()': main.cpp:29:23: warning: array subscript has type 'char' [-Wchar-subscripts] loc[ch] = {i, j}; ^ main.cpp: In function 'void Cerinta2()': main.cpp:93:25: warning: array subscript has type 'char' [-Wchar-subscripts] Q.push({loc[s[i]].first, loc[s[i]].second}); ^ main.cpp:93:42: warning: array subscript has type 'char' [-Wchar-subscripts] Q.push({loc[s[i]].first, loc[s[i]].second}); ^ main.cpp:94:28: warning: array subscript has type 'char' [-Wchar-subscripts] cost[i][i][loc[s[i]].first][loc[s[i]].second] = 0; ^ main.cpp:94:45: warning: array subscript has type 'char' [-Wchar-subscripts] cost[i][i][loc[s[i]].first][loc[s[i]].second] = 0; ^