Compilare: main.cpp: In function 'int seen(int, int)': main.cpp:11:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i*x<n && i*y<m;i++) ^~~ main.cpp:13:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(a[i*x][i*y]>max*i) { ^~