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Submission #866405

# Submission time Handle Problem Language Result Execution time Memory
866405 2023-10-26T05:00:38 Z JellyTheOctopus Subway (info1cup19_subway) C++17
93.0556 / 100
 5 ms 1368 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second

const int MOD = 1e9+7;
const int MAX_N = 44721;

int K;
int tri[MAX_N+1];
int cnt[MAX_N+1];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> K;
    for (int i = 1; i <= MAX_N; i++) {
        tri[i] = i*(i+1)/2;
    }
    int N = 1;
    for (int i = MAX_N; i >= 1; i--) {
        cnt[i] = K / tri[i];
        N += i*cnt[i];
        K %= tri[i];
    }
    cout << N << "\n";
    cout << 0 << " " << -1 << "\n";
    int curVal = 0;
    for (int i = 1; i <= MAX_N; i++) {
        for (int j = 1; j <= cnt[i]; j++) {
            for (int k = 1; k <= i; k++) {
                curVal++;
                if (k == 1) {
                    cout << curVal << " " << 0 << "\n";
                    continue;
                }
                cout << curVal << " " << curVal-1 << "\n";
            }
        }
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 856 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct

Subtask #3
43.0555555556 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 856 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Partially correct 2 ms 860 KB Partially correct
12 Partially correct 2 ms 860 KB Partially correct
13 Partially correct 2 ms 860 KB Partially correct
14 Partially correct 2 ms 860 KB Partially correct
15 Partially correct 2 ms 860 KB Partially correct
16 Partially correct 5 ms 1116 KB Partially correct
17 Partially correct 1 ms 604 KB Partially correct
18 Partially correct 5 ms 1116 KB Partially correct
19 Correct 4 ms 1112 KB Output is correct
20 Correct 4 ms 1368 KB Output is correct