Compilare: user.cpp: In function ‘int main()’: user.cpp:72:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(myabs(first[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][0]]-first[cine[i][j][p]])!=2) ^ user.cpp:72:94: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(myabs(first[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][0]]-first[cine[i][j][p]])!=2) ^ user.cpp:73:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] g[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][0]].push_back(cine[i][j][p]); ^ user.cpp:73:85: warning: array subscript has type ‘char’ [-Wchar-subscripts] g[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][0]].push_back(cine[i][j][p]); ^ user.cpp:74:58: warning: array subscript has type ‘char’ [-Wchar-subscripts] else g[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][1]].push_back(cine[i][j][p]); ^ user.cpp:74:86: warning: array subscript has type ‘char’ [-Wchar-subscripts] else g[cine[i+dl[first[cine[i][j][p]]]][j+dc[first[cine[i][j][p]]]][1]].push_back(cine[i][j][p]); ^ user.cpp:30:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &nrlin, &nrcol); ^ user.cpp:34:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &m[i][j]); ^