Compilare: main.c: In function 'main': main.c:23:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.c:25:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' for(;m;x[++x[0]]=m%10,m/=10); ^~~ main.c:18:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("tort.in","r",stdin),freopen("tort.out","w",stdout),scanf("%lld%lld",&a,&b),m=a+1,n=b+1,p=m+n; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:18:31: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("tort.in","r",stdin),freopen("tort.out","w",stdout),scanf("%lld%lld",&a,&b),m=a+1,n=b+1,p=m+n; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:18:62: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("tort.in","r",stdin),freopen("tort.out","w",stdout),scanf("%lld%lld",&a,&b),m=a+1,n=b+1,p=m+n; ^~~~~~~~~~~~~~~~~~~~~~~