Compilare: main.cpp: In function 'int main()': main.cpp:17:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (i=1; i<=n; i++); cin>>a[i].mn>>a[i].mx; ^~~ main.cpp:17:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for (i=1; i<=n; i++); cin>>a[i].mn>>a[i].mx; ^~~