oj.uz

Submission #931710

# Submission time Handle Problem Language Result Execution time Memory
931710 2024-02-22T09:51:50 Z Aiperiii Wiring (IOI17_wiring) C++14
7 / 100
 68 ms 21324 KB 
#include <bits/stdc++.h>
#include "wiring.h"
#define ll long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
const int N=1e5+5;
ll dp[N],pr[N];
long long min_total_length(vector<int> r,vector<int> b) {
    vector <pair <ll,ll> > v;
    v.pb({0,-1});
    for(int i=0;i<r.size();i++)v.pb({r[i],-1});
    for(int i=0;i<b.size();i++)v.pb({b[i],1});
    sort(all(v));
    int cnt=0;
    map <int,int> pos;
    for(int i=1;i<v.size();i++){
        pr[i]=pr[i-1]+v[i].ff*v[i].ss;
        cnt+=v[i].ss;
        ll x=1e18;
        if(v[i].ss==-1){
            auto it=upper_bound(all(b),v[i].ff);
            if(it!=b.end())x=min(x,*it-v[i].ff);
            if(it!=b.begin()){
                it--;
                x=min(x,abs(*it-v[i].ff));
            }
        }
        else{
            auto it=upper_bound(all(r),v[i].ff);
            if(it!=r.end())x=min(x,*it-v[i].ff);
            if(it!=r.begin()){
                it--;
                x=min(x,abs(*it-v[i].ff));
            }
        }
        dp[i]=dp[i-1]+x;
        if(cnt==0 or pos[cnt]>0)dp[i]=min(dp[i],dp[pos[cnt]]+abs(pr[i]-pr[pos[cnt]]));
        pos[cnt]=i;
    }
    return dp[v.size()-1];
}
/*signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,m;
    cin>>n>>m;
    vector <int> a(n),b(m);
    for(int i=0;i<n;i++)cin>>a[i];
    for(int i=0;i<m;i++)cin>>b[i];
    cout<<min_total_length(a,b);
}*/
/*
1 2 3 7
0 4 5 9 10
 0,0 0,1 1,0, 2,0 3,0 4,1 5,1 7,0 9,1 10,1
   0  0  -1   -3
   0  1   1    3
 */

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i=0;i<r.size();i++)v.pb({r[i],-1});
      |                 ~^~~~~~~~~
wiring.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int i=0;i<b.size();i++)v.pb({b[i],1});
      |                 ~^~~~~~~~~
wiring.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=1;i<v.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 440 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Runtime error 49 ms 21324 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Runtime error 68 ms 14736 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 54 ms 16472 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 440 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Runtime error 49 ms 21324 KB Execution killed with signal 11
20 Halted 0 ms 0 KB -