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Submission #903796

# Submission time Handle Problem Language Result Execution time Memory
903796 2024-01-11T11:23:53 Z AdamGS Roller Coaster Railroad (IOI16_railroad) C++17
0 / 100
 88 ms 16936 KB 
#include "railroad.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e18+7;
ll plan_roller_coaster(vector<int>S, vector<int>T) {
  int n=S.size();
  vector<pair<ll,ll>>V;
  rep(i, n) {
    V.pb({S[i], 1});
    V.pb({T[i], -1});
  }
  sort(all(V));
  ll lst=V[0].st, sum=-1, ans=0;
  for(auto i : V) {
    sum+=i.nd;
    ans+=(i.st-lst)*max(sum, 0ll);
    lst=i.st;
  }
  return ans;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB n = 2
2 Correct 1 ms 348 KB n = 2
3 Correct 0 ms 360 KB n = 2
4 Correct 0 ms 360 KB n = 2
5 Correct 0 ms 360 KB n = 2
6 Incorrect 0 ms 360 KB answer is not correct: 69049296 instead of 523688153
7 Halted 0 ms 0 KB -

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB n = 2
2 Correct 1 ms 348 KB n = 2
3 Correct 0 ms 360 KB n = 2
4 Correct 0 ms 360 KB n = 2
5 Correct 0 ms 360 KB n = 2
6 Incorrect 0 ms 360 KB answer is not correct: 69049296 instead of 523688153
7 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 12864 KB n = 199999
2 Correct 70 ms 16316 KB n = 199991
3 Correct 70 ms 16936 KB n = 199993
4 Correct 54 ms 14524 KB n = 152076
5 Correct 32 ms 8464 KB n = 93249
6 Correct 68 ms 15016 KB n = 199910
7 Correct 69 ms 15788 KB n = 199999
8 Correct 71 ms 16556 KB n = 199997
9 Correct 70 ms 14804 KB n = 171294
10 Correct 70 ms 13796 KB n = 140872
11 Incorrect 65 ms 15292 KB answer is not correct: 0 instead of 1
12 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB n = 2
2 Correct 1 ms 348 KB n = 2
3 Correct 0 ms 360 KB n = 2
4 Correct 0 ms 360 KB n = 2
5 Correct 0 ms 360 KB n = 2
6 Incorrect 0 ms 360 KB answer is not correct: 69049296 instead of 523688153
7 Halted 0 ms 0 KB -