Compilare: main.cpp: In function 'int main()': main.cpp:21:26: warning: statement has no effect [-Wunused-value] 21 | mat[i][j]==INF; | ~~~~~~~~~^~~~~ main.cpp:28:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 28 | for(int i=1;i<=n;i++, fout << '\n') | ^~~ main.cpp:34:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 34 | return 0; | ^~~~~~