Submission #924099

#	Time	Username	Problem	Language	Result	Execution time	Memory
924099		pcc	Journey (NOI18_journey)	C++14	100 / 100	57 ms	40008 KiB

journey

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int mxn = 1e4+10;
const int mxm = 410;
const ll inf = 5e8+1;
ll cnt[mxn][mxm];
ll dist[mxn];
vector<pii> paths[mxn],rg[mxn];
int n,m,h;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n>>m>>h;
	for(int i = 0;i<n-1;i++){
		for(int j = 0;j<h;j++){
			int a,b;
			cin>>a>>b;
			paths[i].push_back({a,b});
			rg[i].push_back({a,b});
		}
	}
	cnt[0][0] = 1;
	for(int i = 0;i<n;i++){
		for(auto nxt:paths[i]){
			if(nxt.fs<=i)continue;
			ll pre = 0;
			for(int j = 0;j+nxt.sc<m;j++){
				pre = min(pre+cnt[i][j],inf);
				cnt[nxt.fs][j+nxt.sc] = min(cnt[nxt.fs][j+nxt.sc]+pre,inf);
			}
		}
	}
	for(int i = 0;i<m;i++)cout<<cnt[n-1][i]<<' ';
}

• Subtask 1: 20 / 20
• Subtask 2: 23 / 23
• Subtask 3: 26 / 26
• Subtask 4: 31 / 31