답안 #703999

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
703999 2023-03-01T09:54:08 Z vjudge1 Art Collections (BOI22_art) C++17
20 / 100
115 ms 208 KB
#include <bits/stdc++.h>
#define pb push_back
#define vt vector
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

#ifndef ONLINE_JUDGE
	#include "art.h"
#endif

using namespace std;

#ifdef ONLINE_JUDGE
void __attribute__((noreturn)) __attribute__((format(printf, 1, 2))) result(const char *msg, ...) {
    va_list args;
    va_start(args, msg);
    vfprintf(stdout, msg, args);
    fprintf(stdout, "\n");
    va_end(args);
    exit(0);
}

namespace {
    int N;
    int Q = 0;
    const int MAX_Q = 4000;
    const int MAX_N = 4000;
    vector<int> solution;
}  // namespace

int publish(vector<int> R) {
    printf("publish({");
    for(int i = 0; i < int(R.size()); ++i) {
        if(i == 0)
            printf("%d", R[i]);
        else
            printf(", %d", R[i]);
    }
    printf("})\n");
    fflush(stdout);

    if (++Q > MAX_Q)
        result("Too many published rankings!");

    if (int(R.size()) != N)
        result("Invalid published ranking!");

    set<int> chosen;
    for(auto &x : R) {
        if(x < 1 || x > N || chosen.count(x))
            result("Invalid published ranking!");
        chosen.insert(x);
    }
    vector<int> positions(N+1);
    for(int i = 0; i < N; ++i)
        positions[R[i]] = i;

    int complaints = 0;
    for(int i = 0; i < N; ++i) {
        for(int j = i+1; j < N; ++j) {
            if(positions[solution[i]] > positions[solution[j]])
                ++complaints;
        }
    }

    return complaints;
}

void __attribute__((noreturn)) answer(vector<int> R) {
    printf("answer({");
    for(int i = 0; i < int(R.size()); ++i) {
        if(i == 0)
            printf("%d", R[i]);
        else
            printf(", %d", R[i]);
    }
    printf("})\n");
    fflush(stdout);


    if(R == solution)
        result("Correct: %d published ranking(s).", Q);
    else
        result("Wrong answer!");
}
#endif

bool cmp (vt<int> v, int x, int y) {
	int res1 = publish(v);
	swap(v[x], v[y]);
	int res2 = publish(v);
	return (res1 > res2);
}

void solve (int n) {
	vt<int> p(n);
	iota(all(p), 1);
	for (int i = 0; i < n; i++) {
		for (int j = i + 1; j < n; j++) {
			if (cmp(p, i, j)) swap(p[i], p[j]);
		}
	}
	answer(p);
}

#ifdef ONLINE_JUDGE

int main() {
    if (scanf("%d", &N) != 1 || N < 2 || N > MAX_N)
        result("Invalid input!");

    solution.resize(N);
    set<int> chosen;
    for(auto &x : solution) {
        if(scanf("%d", &x) != 1 || x < 1 || x > N || chosen.count(x))
            result("Invalid input!");
        chosen.insert(x);
    }

    solve(N);

    result("No answer!");
}
#endif

Compilation message

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 17 ms 208 KB Output is correct
10 Correct 15 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 17 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 208 KB Output is correct
20 Correct 17 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 17 ms 208 KB Output is correct
10 Correct 15 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 17 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 208 KB Output is correct
20 Correct 17 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 19 ms 208 KB Output is correct
23 Correct 18 ms 208 KB Output is correct
24 Correct 16 ms 208 KB Output is correct
25 Correct 20 ms 208 KB Output is correct
26 Incorrect 115 ms 208 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 17 ms 208 KB Output is correct
10 Correct 15 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 17 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 208 KB Output is correct
20 Correct 17 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 19 ms 208 KB Output is correct
23 Correct 18 ms 208 KB Output is correct
24 Correct 16 ms 208 KB Output is correct
25 Correct 20 ms 208 KB Output is correct
26 Incorrect 115 ms 208 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 17 ms 208 KB Output is correct
10 Correct 15 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 17 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 208 KB Output is correct
20 Correct 17 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 19 ms 208 KB Output is correct
23 Correct 18 ms 208 KB Output is correct
24 Correct 16 ms 208 KB Output is correct
25 Correct 20 ms 208 KB Output is correct
26 Incorrect 115 ms 208 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 17 ms 208 KB Output is correct
10 Correct 15 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 17 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 208 KB Output is correct
20 Correct 17 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 19 ms 208 KB Output is correct
23 Correct 18 ms 208 KB Output is correct
24 Correct 16 ms 208 KB Output is correct
25 Correct 20 ms 208 KB Output is correct
26 Incorrect 115 ms 208 KB Not correct
27 Halted 0 ms 0 KB -