Submission #70703

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70703	2018-08-23 08:59:46	top34051	Shortcut (IOI16_shortcut)	C++17	0 / 100	3 ms	556 KiB

shortcut

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#include "shortcut.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int maxn = 3000 + 5;
int n;
ll cost;
ll len[maxn], val[maxn];
ll sum[maxn];
ll L[maxn], R[maxn], mxL[maxn], mxR[maxn];
ll solve() {
    for(int s=0;s<n;s++) sum[s] = sum[s-1] + len[s-1];
    ll tmp;
    tmp = 0;
    for(int s=0;s<n;s++) {
        mxL[s] = max(mxL[s-1], tmp + val[s]);
        tmp = max(tmp, val[s]);
        L[s] = tmp;
        tmp += len[s];
    }
    tmp = 0;
    for(int t=n-1;t>=0;t--) {
        mxR[t] = max(mxR[t+1], tmp + val[t]);
        tmp = max(tmp, val[t]);
        R[t] = tmp;
        tmp += len[t-1];
    }
 
 
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