Compilare: main.cpp: In function 'int main()': main.cpp:47:8: warning: array subscript has type 'char' [-Wchar-subscripts] a[ x ]++; ^ main.cpp:48:9: warning: array subscript has type 'char' [-Wchar-subscripts] dp[ y ][ x ]++; ^ main.cpp:48:14: warning: array subscript has type 'char' [-Wchar-subscripts] dp[ y ][ x ]++; ^ main.cpp:49:8: warning: array subscript has type 'char' [-Wchar-subscripts] v[ x ][ y ].push_back( i ); ^ main.cpp:49:13: warning: array subscript has type 'char' [-Wchar-subscripts] v[ x ][ y ].push_back( i ); ^ main.cpp:50:8: warning: array subscript has type 'char' [-Wchar-subscripts] v[ y ][ x ].push_back( i ); ^ main.cpp:50:13: warning: array subscript has type 'char' [-Wchar-subscripts] v[ y ][ x ].push_back( i ); ^ main.cpp:61:14: warning: array subscript has type 'char' [-Wchar-subscripts] j = ant[ c ]; ^ main.cpp:62:21: warning: array subscript has type 'char' [-Wchar-subscripts] while( dp[ j ][ c ] == 0 ){ ^ main.cpp:63:20: warning: array subscript has type 'char' [-Wchar-subscripts] ant[ c ]++; ^ main.cpp:64:24: warning: array subscript has type 'char' [-Wchar-subscripts] j = ant[ c ]; ^ main.cpp:66:14: warning: array subscript has type 'char' [-Wchar-subscripts] dp[ j ][ c ]--; ^ main.cpp:67:35: warning: array subscript has type 'char' [-Wchar-subscripts] fprintf( fout, "%d ", v[ j ][ c ].back() ); ^ main.cpp:68:13: warning: array subscript has type 'char' [-Wchar-subscripts] v[ j ][ c ].pop_back(); ^ main.cpp:69:8: warning: array subscript has type 'char' [-Wchar-subscripts] v[ c ][ j ].pop_back(); ^ main.cpp:40:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%s", &n, &m, s + 1 ); ^ main.cpp:44:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]