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답안 #432019

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
432019 2021-06-17T19:08:26 Z Tangent Aliens (IOI16_aliens) C++17
4 / 100
 1 ms 204 KB 
#include "aliens.h"
#include "bits/stdc++.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;

#define ffor(i, a, b) for (ll i = (a); i < (ll)(b); i++)
#define fford(i, a, b) for (ll i = (a); i > (ll)(b); i--)
#define rep(i, n) ffor(i, 0, n)
#define forin(x, a) for (auto &x: a)
#define all(a) a.begin(), a.end()
#define sq(x) (x) * (x)

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> cc) {
    vpii intervals;
    rep(i, n) {
        if (r[i] > cc[i]) {
            swap(r[i], cc[i]);
        }
        intervals.emplace_back(r[i], -cc[i]);
    }
    sort(all(intervals));
    vpii merged = {{intervals[0].first, -intervals[0].second}};
    ffor(i, 1, intervals.size()) {
        if (-intervals[i].second > merged.back().second) {
            merged.emplace_back(intervals[i].first, -intervals[i].second);
        }
    }
    while ((int)merged.size() > k) {
        int besti = 0;
        ll mincost = 1ll << 62;
        rep(i, merged.size() - 1) {
            int a, b, c, d;
            tie(a, b) = merged[i];
            tie(c, d) = merged[i + 1];
            ll cost = sq(d - a + 1) - sq(b - a + 1) - sq(d - c + 1) + sq(max(0, b - c + 1));
            if (cost < mincost) {
                mincost = cost;
                besti = i;
            }
        }
        merged[besti].second = merged[besti + 1].second;
        merged.erase(merged.begin() + besti + 1);
    }

    ll res = sq(merged[0].second - merged[0].first + 1);
    rep(i, merged.size() - 1) {
        int a, b, c, d;
        tie(a, b) = merged[i];
        tie(c, d) = merged[i + 1];
        res += sq(d - c + 1) - sq(max(0, b - c + 1));
    }
    
    return res;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 0 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 0 ms 204 KB Correct answer: answer = 12
5 Correct 1 ms 204 KB Correct answer: answer = 52
6 Correct 1 ms 204 KB Correct answer: answer = 210
7 Correct 1 ms 204 KB Correct answer: answer = 88
8 Correct 1 ms 204 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 204 KB Correct answer: answer = 2374
11 Correct 1 ms 204 KB Correct answer: answer = 9502
12 Correct 0 ms 204 KB Correct answer: answer = 49
13 Correct 1 ms 204 KB Correct answer: answer = 151
14 Correct 1 ms 204 KB Correct answer: answer = 7550
15 Correct 1 ms 204 KB Correct answer: answer = 7220
16 Correct 1 ms 204 KB Correct answer: answer = 7550
17 Correct 1 ms 204 KB Correct answer: answer = 10000
18 Correct 1 ms 204 KB Correct answer: answer = 10000
19 Correct 1 ms 204 KB Correct answer: answer = 624
20 Correct 1 ms 204 KB Correct answer: answer = 10000

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Correct answer: answer = 1
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 0 ms 204 KB Correct answer: answer = 1
4 Correct 1 ms 204 KB Correct answer: answer = 5
5 Correct 1 ms 204 KB Correct answer: answer = 41
6 Correct 1 ms 204 KB Correct answer: answer = 71923
7 Incorrect 1 ms 204 KB Wrong answer: output = 80476, expected = 77137
8 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 0 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 0 ms 204 KB Correct answer: answer = 12
5 Correct 1 ms 204 KB Correct answer: answer = 52
6 Correct 1 ms 204 KB Correct answer: answer = 210
7 Correct 1 ms 204 KB Correct answer: answer = 88
8 Correct 1 ms 204 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 204 KB Correct answer: answer = 2374
11 Correct 1 ms 204 KB Correct answer: answer = 9502
12 Correct 0 ms 204 KB Correct answer: answer = 49
13 Correct 1 ms 204 KB Correct answer: answer = 151
14 Correct 1 ms 204 KB Correct answer: answer = 7550
15 Correct 1 ms 204 KB Correct answer: answer = 7220
16 Correct 1 ms 204 KB Correct answer: answer = 7550
17 Correct 1 ms 204 KB Correct answer: answer = 10000
18 Correct 1 ms 204 KB Correct answer: answer = 10000
19 Correct 1 ms 204 KB Correct answer: answer = 624
20 Correct 1 ms 204 KB Correct answer: answer = 10000
21 Correct 0 ms 204 KB Correct answer: answer = 1
22 Correct 1 ms 204 KB Correct answer: answer = 4
23 Correct 0 ms 204 KB Correct answer: answer = 1
24 Correct 1 ms 204 KB Correct answer: answer = 5
25 Correct 1 ms 204 KB Correct answer: answer = 41
26 Correct 1 ms 204 KB Correct answer: answer = 71923
27 Incorrect 1 ms 204 KB Wrong answer: output = 80476, expected = 77137
28 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 0 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 0 ms 204 KB Correct answer: answer = 12
5 Correct 1 ms 204 KB Correct answer: answer = 52
6 Correct 1 ms 204 KB Correct answer: answer = 210
7 Correct 1 ms 204 KB Correct answer: answer = 88
8 Correct 1 ms 204 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 204 KB Correct answer: answer = 2374
11 Correct 1 ms 204 KB Correct answer: answer = 9502
12 Correct 0 ms 204 KB Correct answer: answer = 49
13 Correct 1 ms 204 KB Correct answer: answer = 151
14 Correct 1 ms 204 KB Correct answer: answer = 7550
15 Correct 1 ms 204 KB Correct answer: answer = 7220
16 Correct 1 ms 204 KB Correct answer: answer = 7550
17 Correct 1 ms 204 KB Correct answer: answer = 10000
18 Correct 1 ms 204 KB Correct answer: answer = 10000
19 Correct 1 ms 204 KB Correct answer: answer = 624
20 Correct 1 ms 204 KB Correct answer: answer = 10000
21 Correct 0 ms 204 KB Correct answer: answer = 1
22 Correct 1 ms 204 KB Correct answer: answer = 4
23 Correct 0 ms 204 KB Correct answer: answer = 1
24 Correct 1 ms 204 KB Correct answer: answer = 5
25 Correct 1 ms 204 KB Correct answer: answer = 41
26 Correct 1 ms 204 KB Correct answer: answer = 71923
27 Incorrect 1 ms 204 KB Wrong answer: output = 80476, expected = 77137
28 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 0 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 0 ms 204 KB Correct answer: answer = 12
5 Correct 1 ms 204 KB Correct answer: answer = 52
6 Correct 1 ms 204 KB Correct answer: answer = 210
7 Correct 1 ms 204 KB Correct answer: answer = 88
8 Correct 1 ms 204 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 204 KB Correct answer: answer = 2374
11 Correct 1 ms 204 KB Correct answer: answer = 9502
12 Correct 0 ms 204 KB Correct answer: answer = 49
13 Correct 1 ms 204 KB Correct answer: answer = 151
14 Correct 1 ms 204 KB Correct answer: answer = 7550
15 Correct 1 ms 204 KB Correct answer: answer = 7220
16 Correct 1 ms 204 KB Correct answer: answer = 7550
17 Correct 1 ms 204 KB Correct answer: answer = 10000
18 Correct 1 ms 204 KB Correct answer: answer = 10000
19 Correct 1 ms 204 KB Correct answer: answer = 624
20 Correct 1 ms 204 KB Correct answer: answer = 10000
21 Correct 0 ms 204 KB Correct answer: answer = 1
22 Correct 1 ms 204 KB Correct answer: answer = 4
23 Correct 0 ms 204 KB Correct answer: answer = 1
24 Correct 1 ms 204 KB Correct answer: answer = 5
25 Correct 1 ms 204 KB Correct answer: answer = 41
26 Correct 1 ms 204 KB Correct answer: answer = 71923
27 Incorrect 1 ms 204 KB Wrong answer: output = 80476, expected = 77137
28 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 0 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 0 ms 204 KB Correct answer: answer = 12
5 Correct 1 ms 204 KB Correct answer: answer = 52
6 Correct 1 ms 204 KB Correct answer: answer = 210
7 Correct 1 ms 204 KB Correct answer: answer = 88
8 Correct 1 ms 204 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 204 KB Correct answer: answer = 2374
11 Correct 1 ms 204 KB Correct answer: answer = 9502
12 Correct 0 ms 204 KB Correct answer: answer = 49
13 Correct 1 ms 204 KB Correct answer: answer = 151
14 Correct 1 ms 204 KB Correct answer: answer = 7550
15 Correct 1 ms 204 KB Correct answer: answer = 7220
16 Correct 1 ms 204 KB Correct answer: answer = 7550
17 Correct 1 ms 204 KB Correct answer: answer = 10000
18 Correct 1 ms 204 KB Correct answer: answer = 10000
19 Correct 1 ms 204 KB Correct answer: answer = 624
20 Correct 1 ms 204 KB Correct answer: answer = 10000
21 Correct 0 ms 204 KB Correct answer: answer = 1
22 Correct 1 ms 204 KB Correct answer: answer = 4
23 Correct 0 ms 204 KB Correct answer: answer = 1
24 Correct 1 ms 204 KB Correct answer: answer = 5
25 Correct 1 ms 204 KB Correct answer: answer = 41
26 Correct 1 ms 204 KB Correct answer: answer = 71923
27 Incorrect 1 ms 204 KB Wrong answer: output = 80476, expected = 77137
28 Halted 0 ms 0 KB -