Submission #703999

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
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) {
      |        ~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	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

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	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

Subtask #3
0 / 15.0

#	Verdict	Execution time	Memory	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	-

Subtask #4
0 / 15.0

#	Verdict	Execution time	Memory	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	-

Subtask #5
0 / 20.0

#	Verdict	Execution time	Memory	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	-

Subtask #6
0 / 30.0

#	Verdict	Execution time	Memory	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	-

Submission #703999

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 0 / 15.0

Subtask #4 0 / 15.0

Subtask #5 0 / 20.0

Subtask #6 0 / 30.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
0 / 15.0

Subtask #4
0 / 15.0

Subtask #5
0 / 20.0

Subtask #6
0 / 30.0