数组奇偶操作
摘要：C++代码 #include<cstdio> #include<iostream> #include<algorithm> using namespace std; int a[10000],b[10000],val[10000]; int main(){ int n; do{ scanf("%d"
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AtCoder Beginner Contest 225 D - Play Train
摘要：题意 题解 手动做链表模拟 #include<cstdio> #include<iostream> #include<vector> using namespace std; const int MAXN = 2e5; struct Car { int front, back; }tr[MAXN];
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