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Submission #409658

# Submission time Handle Problem Language Result Execution time Memory
409658 2021-05-21T09:47:14 Z DBPhoenix Roller Coaster Railroad (IOI16_railroad) C++17
0 / 100
 449 ms 26120 KB 
#include <bits/stdc++.h>

using namespace std;

#include "railroad.h"

const int MAX = 2e5;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = (int) s.size();
    map<int, int> interest;
    interest[1]--;

    for (int i = 0; i < n; i++) {
        interest[s[i]]++;
        interest[t[i]]--;
    }

    long long value = 0;
    long long balance = 0;
    for (pair<int, int> p : interest)
    {
        value += p.second;
        balance += max((long long)0, value);
    }

    return balance;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB n = 2
2 Correct 1 ms 292 KB n = 2
3 Correct 1 ms 204 KB n = 2
4 Correct 1 ms 204 KB n = 2
5 Correct 1 ms 204 KB n = 2
6 Incorrect 1 ms 204 KB answer is not correct: 1 instead of 523688153
7 Halted 0 ms 0 KB -

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB n = 2
2 Correct 1 ms 292 KB n = 2
3 Correct 1 ms 204 KB n = 2
4 Correct 1 ms 204 KB n = 2
5 Correct 1 ms 204 KB n = 2
6 Incorrect 1 ms 204 KB answer is not correct: 1 instead of 523688153
7 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 442 ms 26072 KB n = 199999
2 Correct 429 ms 25968 KB n = 199991
3 Correct 449 ms 26120 KB n = 199993
4 Correct 285 ms 19504 KB n = 152076
5 Correct 129 ms 12264 KB n = 93249
6 Correct 327 ms 21508 KB n = 199910
7 Correct 322 ms 24820 KB n = 199999
8 Correct 302 ms 21572 KB n = 199997
9 Correct 325 ms 22104 KB n = 171294
10 Correct 251 ms 18372 KB n = 140872
11 Incorrect 317 ms 21684 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 1 ms 204 KB n = 2
2 Correct 1 ms 292 KB n = 2
3 Correct 1 ms 204 KB n = 2
4 Correct 1 ms 204 KB n = 2
5 Correct 1 ms 204 KB n = 2
6 Incorrect 1 ms 204 KB answer is not correct: 1 instead of 523688153
7 Halted 0 ms 0 KB -