Compilare: main.cpp: In function 'int main()': main.cpp:99:65: warning: self-comparison always evaluates to false [-Wtautological-compare] 99 | if (mat[i][j]==mat[0][j] && comp==1 || mat[i][j]!=mat[i][j] && comp==0) | ~~~~~~~~~^~~~~~~~~~~ main.cpp:99:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 99 | if (mat[i][j]==mat[0][j] && comp==1 || mat[i][j]!=mat[i][j] && comp==0) | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:115:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 115 | if (mat[i][j]==mat[i][0] && comp==1 || mat[i][j]!=mat[i][0] && comp==0) | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~