60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <cstring>
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#include <algorithm>
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#include <deque>
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using namespace std;
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const int INF = 0x7fffffff;
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int N,M,K,hap[102][10020],len[102][10020],f[102][10020],sum[10300];
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struct node{
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int hap,dis;
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node() {}
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node(int h,int d):hap(h),dis(d) {}
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};
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int main(){
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while (scanf("%d%d%d",&N,&M,&K) != EOF && N+M+K){
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++N;
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memset(f,0,sizeof(f));
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memset(len,0,sizeof(len));
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memset(hap,0,sizeof(hap));
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for (int i = 1; i <= N; i++)
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for (int j = 1; j <= M; j++)
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scanf("%d",&hap[i][j]);
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for (int i = 1; i <= N; i++)
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for (int j = 1; j <= M; j++)
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scanf("%d",&len[i][j]);
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for (int i = 1; i <= N; i++){
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deque<node> deq;
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int dis = 0;
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for (int j = 1; j <= M; j++)
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sum[j] = sum[j-1]+hap[i][j];
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for (int j = 0; j <= M; j++){
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dis += len[i][j];
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while (!deq.empty() && deq.front().hap <= f[i-1][j]-sum[j])
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deq.pop_front();
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deq.push_front(node(f[i-1][j]-sum[j],dis));
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while (!deq.empty() && deq.front().dis-deq.back().dis > K)
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deq.pop_back();
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f[i][j] = deq.back().hap + sum[j];
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}
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deq.clear();
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dis = 0;
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len[i][M+1] = 0;
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for (int j = M; j >= 0; j--){
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dis += len[i][j+1];
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while (!deq.empty() && deq.front().hap <= f[i-1][j]+sum[j])
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deq.pop_front();
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deq.push_front(node(f[i-1][j]+sum[j],dis));
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while (!deq.empty() && deq.front().dis - deq.back().dis > K)
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deq.pop_back();
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f[i][j] = max(f[i][j],deq.back().hap - sum[j]);
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}
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}
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int ans = 0;
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for (int j = 0; j <= M; j++)
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ans = max(ans,f[N][j]);
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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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