sxy201658506207的博客

题意：一个比赛中，n裁判依次给你打分，第i个裁判给了A[i]分，但你记性不好，没有记住所有得分，连初始分都忘记了，只记得m个加完分后的总分B[i](不是按顺序的)，且B[i]互不相同。问：初始分有多少种可能的情况。点击打开链接#include <iostream> #include <cstdio> #include<algorithm> #include &l...

Anton likes to listen to fairy tales, especially when Danik, Anton's best friend, tells them. Right now Danik tells Anton a fairy tale:"Once upon a time, there lived an emperor. He was very rich and h...

A  Vova and Train #include <bits/stdc++.h> #include <iostream> #define X 10005 #define inf 0x3f3f3f3f #define PI 3.141592653589793238462643383 #define IO ios::sync_with_stdio(false),cin...