Compilare: main.c: In function 'main': main.c:11:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i<=n;i++) ^~~ main.c:14:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' printf("%d",k); ^~~~~~ main.c:6:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("ciur.in","r",stdin),freopen("ciur.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:31: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("ciur.in","r",stdin),freopen("ciur.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:62: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("ciur.in","r",stdin),freopen("ciur.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~