mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
53497060fc
4300-4399
112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
#include <iostream>
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#include <cstring>
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#include <queue>
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#include <algorithm>
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#include <cstdio>
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using namespace std;
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const int Ni = 1005;
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const int inf=1<<27;
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struct node{
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int x,w;
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bool operator < (const node &a) const
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{
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return x<a.x;
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}
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}arr[52][Ni];
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struct qnode{
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int val,x;
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bool operator < (const qnode &a) const
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{
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if(val>a.val) return 1;
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if(val==a.val&&x>a.x) return 1;
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return 0;
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}
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};
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int dp[52][Ni];
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int n,m;
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inline void cInit()
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{
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int i,j;
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for(i=0;i<n;i++)
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{
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for(j=0;j<m;j++)
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{
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scanf("%d",&arr[i][j].x);
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}
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}
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for(i=0;i<n;i++)
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{
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for(j=0;j<m;j++)
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{
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scanf("%d",&arr[i][j].w);
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}
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}
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for(i=0;i<n;i++)
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{
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sort(arr[i],arr[i]+m);
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}
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}
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int main()
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{
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int cs,x,i,j,ans;
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cin>>cs;
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while(cs--)
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{
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scanf("%d%d%d",&n,&m,&x);
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cInit();
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for(j=0;j<m;j++)
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{
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dp[0][j]=x-arr[0][j].x;
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if(dp[0][j]<0) dp[0][j]=-dp[0][j];
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dp[0][j]+=arr[0][j].w;
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}
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for(i=1;i<n;i++)
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{
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priority_queue<qnode> ql,qr;
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qnode qn;
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for(j=0;j<m;j++)
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{
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qn.val=dp[i-1][j]+arr[i-1][j].x;
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qn.x=arr[i-1][j].x;
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qr.push(qn);
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}
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int k=0;
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for(j=0;j<m;j++)
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{
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dp[i][j]=inf;
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while(k<m&&arr[i-1][k].x<=arr[i][j].x)
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{
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qn.val=dp[i-1][k]-arr[i-1][k].x;
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qn.x=arr[i-1][k].x;
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ql.push(qn);
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k++;
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}
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if(!ql.empty())
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{
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qn=ql.top();
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dp[i][j]=min(dp[i][j],qn.val+arr[i][j].x+arr[i][j].w);
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}
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if(!qr.empty())
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{
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qn=qr.top();
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while(!qr.empty()&&qn.x<arr[i][j].x)
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{
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qr.pop();
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qn=qr.top();
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}
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if(qn.x>=arr[i][j].x)
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dp[i][j]=min(dp[i][j],qn.val-arr[i][j].x+arr[i][j].w);
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}
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}
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}
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ans=inf;
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for(i=0;i<m;i++)
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{
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if(ans>dp[n-1][i])
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ans=dp[n-1][i];
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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