[BZOJ 1034]泡泡堂
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这题其实就是一个田忌赛马类问题。贪心即可。
如果你不知道田忌赛马怎么贪,可以看《骗分导论》相关介绍(然而那个贪心不是骗分算法哦)。
代码:
/************************************************************** Problem: 1034 User: danihao123 Language: C++ Result: Accepted Time:256 ms Memory:1604 kb ****************************************************************/ #include <cstdio> #include <cctype> #include <algorithm> using namespace std; const int maxn=100001; int a[maxn],b[maxn]; int n; inline int solve(int *A,int *B){ register int L1=1,R1=n,L2=1,R2=n,ans=0; while(L1<=R1 && L2<=R2){ if(A[L1]>B[L2]){ ans+=2; L1++; L2++; }else{ if(A[R1]>B[R2]){ ans+=2; R1--; R2--; }else{ if(A[L1]==B[R2]) ans++; L1++; R2--; } } } return ans; } int main(){ register int i,ans; scanf("%d",&n); for(i=1;i<=n;i++) scanf("%d",&a[i]); for(i=1;i<=n;i++) scanf("%d",&b[i]); sort(a+1,a+1+n); sort(b+1,b+1+n); printf("%d %d\n",solve(a,b),2*n-solve(b,a)); return 0; }
Jul 05, 2023 08:27:33 PM
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