Compilare: main.cpp: In function 'int main()': main.cpp:65:15: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:68:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' int mina = a[i][j]; ^~~ main.cpp:60:23: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] int c ; ^