Compilare: main.cpp: In function 'int main()': main.cpp:23:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[2][j]<min) { ~~~~~~~^~~~ main.cpp:39:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(b[i][j]<min1) { ~~~~~~~^~~~~ main.cpp:45:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(b[i][j]<min2) { ~~~~~~~^~~~~ main.cpp:61:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(b[n][j]<min1) { ~~~~~~~^~~~~