Submission #1172168

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172168	2025-03-22 20:08:38	ivaziva	Restore Array (RMI19_restore)	C++20	100 / 100	437 ms	800 KiB

restore

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#include <bits/stdc++.h>
using namespace std;
#define MAXN 5001
int n,m;
vector<pair<int,pair<int,int>>> edges;
int dist[MAXN];
int main()
{
    cin>>n>>m;
    for (int i=1;i<=n;i++) {edges.push_back({0,{i,i-1}});edges.push_back({1,{i-1,i}});}
    for (int i=1;i<=m;i++)
    {
        int l,r,k,t;cin>>l>>r>>k>>t;l++;r++;
        if (t==0) edges.push_back({k*(-1),{r,l-1}});
        else edges.push_back({k-1,{l-1,r}});
    }
    for (int i=1;i<=n;i++) dist[i]=INT_MAX;
    dist[0]=0;int promena=-1;
    for (int br=0;br<n;br++)
    {
        promena=-1;
        for (pair<int,pair<int,int>> edge:edges)
        {
            int w=edge.first,node1=edge.second.first,node2=edge.second.second;
            if (dist[node1]==INT_MAX) continue;
            if (dist[node2]>dist[node1]+w) {dist[node2]=dist[node1]+w;promena=node2;}
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 55 / 55