Compilare: user.cpp:34:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main(){ ^ user.cpp: In function ‘int main()’: user.cpp:44:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:44:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:44:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] Curr[x]++; b[y][x]++; ^ user.cpp:45:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].push_back(i); ^ user.cpp:45:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[x][y].push_back(i); ^ user.cpp:46:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].push_back(i); ^ user.cpp:46:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[y][x].push_back(i); ^ user.cpp:56:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] int j = Last[c]; ^ user.cpp:57:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (b[j][c]==0) ^ user.cpp:58:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] { Last[c]++; j=Last[c]; } ^ user.cpp:58:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] { Last[c]++; j=Last[c]; } ^ user.cpp:59:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[j][c]--; ^ user.cpp:60:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] printf("%d ", Where[j][c].back()); ^ user.cpp:61:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[j][c].pop_back(); ^ user.cpp:62:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] Where[c][j].pop_back(); ^ user.cpp:35:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]