Compilare: user.cpp: In function ‘void move(int, int, int)’: user.cpp:36:98: warning: statement has no effect [-Wunused-value] if(a[i-1][j] <= a[i][j] && a[i-1][j]>m && !viz2[i-1][j]){ m=a[i-1][j]; if(cod!=1){ a[i-1][j]==a[i][j]; cod=2;} } ^ user.cpp:37:97: warning: statement has no effect [-Wunused-value] if(a[i][j+1] <= a[i][j] && a[i][j+1]>m && !viz2[i][j+1]){ m=a[i][j+1]; if(cod!=1){a[i][j+1]==a[i][j]; cod=2;} } ^ user.cpp:38:97: warning: statement has no effect [-Wunused-value] if(a[i+1][j] <= a[i][j] && a[i+1][j]>m && !viz2[i+1][j]){ m=a[i+1][j]; if(cod!=1){a[i+1][j]==a[i][j]; cod=2;} } ^ user.cpp:39:97: warning: statement has no effect [-Wunused-value] if(a[i][j-1] <= a[i][j] && a[i][j-1]>m && !viz2[i][j-1]){ m=a[i][j-1]; if(cod!=1){a[i][j-1]==a[i][j]; cod=2;} } ^