摘要:
``` include include include using namespace std; long long sum; long long tot; long long k=1; long long a[100005]; int n,m; int main() { cin n m; for( 阅读全文
摘要:
``` include include include using namespace std; long long sum; long long tot; long long k=1; long long a[100005]; int n,m; int main() { cin n m; for( 阅读全文