Compilare: user.cpp: In function ‘int main()’: user.cpp:57:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(maxim<(sup[ch[i-1][j]]+sup[ch[i+1][j]])) ^ user.cpp:57:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(maxim<(sup[ch[i-1][j]]+sup[ch[i+1][j]])) ^ user.cpp:61:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim=(sup[ch[i-1][j]]+sup[ch[i+1][j]]); ^ user.cpp:61:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim=(sup[ch[i-1][j]]+sup[ch[i+1][j]]); ^ user.cpp:63:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(maxim==sup[ch[i-1][j]]+sup[ch[i+1][j]]) ^ user.cpp:63:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(maxim==sup[ch[i-1][j]]+sup[ch[i+1][j]]) ^ user.cpp:74:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(maxim<(sup[ch[i][j-1]]+sup[ch[i][j+1]])) ^ user.cpp:74:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(maxim<(sup[ch[i][j-1]]+sup[ch[i][j+1]])) ^ user.cpp:78:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim=(sup[ch[i][j-1]]+sup[ch[i][j+1]]); ^ user.cpp:78:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxim=(sup[ch[i][j-1]]+sup[ch[i][j+1]]); ^ user.cpp:80:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(maxim==sup[ch[i][j-1]]+sup[ch[i][j+1]]) ^ user.cpp:80:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(maxim==sup[ch[i][j-1]]+sup[ch[i][j+1]]) ^ user.cpp:20:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ user.cpp:25:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%c",&ch[0][0]); ^ user.cpp:28:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%c",&ch[i][j]); ^ user.cpp:65:30: warning: ‘p2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(p1+p2>i+j) ^ user.cpp:65:30: warning: ‘p1’ may be used uninitialized in this function [-Wmaybe-uninitialized]