oj.uz

Submission #966804

# Submission time Handle Problem Language Result Execution time Memory
966804 2024-04-20T11:49:39 Z Amr Wiring (IOI17_wiring) C++17
17 / 100
 1000 ms 9648 KB 
#include "wiring.h"
#include<bits/stdc++.h>
using namespace std;
#define sz size()
typedef long long ll;
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
const int N = 2e5+2;
ll a[N];
ll dp[N];
long long min_total_length(std::vector<int> r, std::vector<int> b) {
    ll n = r.sz, m = b.sz;
    vector<pair<ll,ll> > v;
    v.push_back({-1,-1});
    for(int i = 0; i < r.sz; i++) v.push_back({r[i],0});
    for(int i = 0; i < b.sz; i++) v.push_back({b[i],1});
    sort(all(v));
    ll start = 1,prevstart=1;
    for(int i = 1; i <= n+m; i++)
    {

        if(i==n+m||(v[i].S!=v[i+1].S))
        {
            ll en = i;
            if(start==1)
            {

                for(int j = 1; j <= en; j++) dp[j] = -1;
                prevstart = start; start = i+1; continue;
            }
            ll allme = 0;
            for(int j = start; j <= en; j++)
            {
                dp[j] = 1e18;
                allme+=v[j].F;
                ll allprev = 0;
                for(ll k = start-1; k >= prevstart; k--)
                {
                    allprev+=v[k].F;
                    ll kk = k-1;
                    ll mm = 0;
                    if(j-start+1>start-k) mm = -((j-start+1)-(start-k))*v[start-1].F;
                    else mm = (start-k-(j-start+1))*v[start].F;
                    if(dp[kk]!=-1){
                    dp[j] = min(dp[j],dp[kk]+allme-allprev+mm);
                    //if(j==6&&k==3) cout << allme << " " << allprev << " " << dp[kk] << endl;
                    }
                    if(k==prevstart)
                    {
                        if(dp[k]!=-1)
                            dp[j]=min(dp[j],dp[k]+allme-allprev+mm);
                    }
                }





            }
            prevstart =  start,start=i+1;
        }
    }
//    b r b  rrrr
return dp[n+m];

}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0; i < r.sz; i++) v.push_back({r[i],0});
      |                      ^
wiring.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i = 0; i < b.sz; i++) v.push_back({b[i],1});
      |                      ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 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 348 KB Output is correct
11 Correct 0 ms 444 KB Output is correct
12 Correct 1 ms 444 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 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 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Execution timed out 1050 ms 9412 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 44 ms 9648 KB Output is correct
4 Correct 44 ms 9160 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 448 KB Output is correct
18 Correct 42 ms 9388 KB Output is correct
19 Correct 36 ms 9376 KB Output is correct
20 Correct 40 ms 9404 KB Output is correct
21 Correct 36 ms 9256 KB Output is correct
22 Correct 38 ms 9404 KB Output is correct
23 Correct 37 ms 9268 KB Output is correct
24 Correct 45 ms 9628 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Execution timed out 1090 ms 8688 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 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 348 KB Output is correct
11 Correct 0 ms 444 KB Output is correct
12 Correct 1 ms 444 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Execution timed out 1050 ms 9412 KB Time limit exceeded
20 Halted 0 ms 0 KB -