Submission #777014

#	Time	Username	Problem	Language	Result	Execution time	Memory
777014		Cookie	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include<bits/stdc++.h>
#include<fstream>
using namespace std;
ifstream fin("HAMMING.INP");
ofstream fout("HAMMING.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ld PI = 3.14159265359;
using u128 = __uint128_t;
const int x[4] = {1, -1, 0, 0};
const int y[4] = {0, 0, 1, -1};
const ll mod = 1e18 + 7, inf = 1e9 + 5;
const int mxn = 2e5 + 5, sq = 400;

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!");
}
void solve(int n){
    vt<int>curr;
    for(int i = 1; i <= n; i++){
        curr.pb(i);
    }
    ll last = publish(curr);
    vt<bool>seen(n);
    vt<int>res(n);
    for(int i = 1; i < n; i++){
        curr.clear();
        for(int j = i + 1; j <= n; j++)curr.pb(j);
        for(int j = 1; j <= i; j++)curr.pb(j);
        ll nw = publish(curr);
        
        ll pos = (n - 1 + last - nw) / 2;
        
        res[pos] = i; seen[pos] = 1;
        last = nw;
    }
    for(int i = 0; i < n; i++){
        if(!seen[i]){
            res[i] = n;
        }
    }
    answer(res);
}
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!");
}

Compilation message (stderr)

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) {
      |        ~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccaBHFqg.o: in function `publish(std::vector<int, std::allocator<int> >)':
interface.cpp:(.text+0x60): multiple definition of `publish(std::vector<int, std::allocator<int> >)'; /tmp/ccoqmmUi.o:art.cpp:(.text+0x3b0): first defined here
/usr/bin/ld: /tmp/ccaBHFqg.o: in function `answer(std::vector<int, std::allocator<int> >)':
interface.cpp:(.text+0x170): multiple definition of `answer(std::vector<int, std::allocator<int> >)'; /tmp/ccoqmmUi.o:art.cpp:(.text+0x2b0): first defined here
/usr/bin/ld: /tmp/ccaBHFqg.o: in function `main':
interface.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccoqmmUi.o:art.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status