Submission #978600

#	Time	Username	Problem	Language	Result	Execution time	Memory
978600		vjudge1	Council (JOI23_council)	C++17	0 / 100	87 ms	25652 KiB

council

#include <time.h>
#include <cstdlib>
#include <stack>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <map>
#include <set>
#include <iterator>
#include <deque>
#include <queue>
#include <sstream>
#include <array>
#include <string>
#include <tuple>
#include <chrono>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <list>
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <bitset>

using namespace std;

int tt = 1, n, m;
int A[300001][21], cnt[22];
map<vector<int>, int> mp;
int f[10];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        vector<int> v;
        for(int j = 1; j <= m; j++){
            cin >> A[i][j];
            cnt[j] += A[i][j];
            v.push_back(A[i][j]);
        }
       if(m == 2) mp[v]++;
    }
    vector<int> v1, v2, v3, v4;
    v1 = {0, 0};
    v2 = {1, 0};
    v3 = {0, 1};
    v4 = {1, 1};
    f[0] = mp[v1];
    f[1] = mp[v2];
    f[2] = mp[v3];
    f[3] = mp[v4];
    for(int i = 1; i <= n; i++){
        int mx = 0;
        if(m == 2){
            vector<int> vv;
            for(int j = 1; j <= m; j++) vv.push_back(A[i][j]);
            int ind = 0;
            if(vv == v1){
                f[0]--;
                ind = 0;
            }
            if(vv == v2){
                f[1]--;
                ind = 1;
            }
            if(vv == v3){
                f[2]--;
                ind = 2;
            }
            if(vv == v4){
                f[3]--;
                ind = 3;
            }
            int f1 = 0, f2 = 0, kol = 2;
            if(cnt[1] - A[i][1] == n / 2) f1 = 1;
            if(cnt[1] - A[i][1] < n / 2) f1 = 2;

            if(cnt[2] - A[i][2] == n / 2) f2 = 1;
            if(cnt[2] - A[i][2] < n / 2) f2 = 2;

            if(f1 == 0 && f2 == 0){
                cout << 2 << "\n";
                f[ind]++;
                continue;
            }
            if(f1 == 2) kol--;
            if(f2 == 2) kol--;
            if(f[0] > 0){
                cout << kol << "\n";
                f[ind]++;
                continue;
            }
            if(kol == 0){
                cout << kol << "\n";
                f[ind]++;
                continue;
            }
            if(f1 == 1 && f[2] > 0){
                if(f2 == 1) kol--;
                cout << kol << "\n";
                f[ind]++;
                continue;
            }
            if(f2 == 1 && f[1] > 0){
                if(f1 == 1) kol--;
                cout << kol << "\n";
                f[ind]++;
                continue;
            }
            // cout << i << " " << f1 << " " << f2 << " " << kol << "\n";
            if(f1 == 1) kol--;
            if(f2 == 1) kol--;
            cout << kol << "\n";
            f[ind]++;
            continue;
        }
        // for(int j = 1; j <= n; j++){
        //     if(i == j) continue;
        //     int kol = 0;
        //     for(int ind = 1; ind <= m; ind++){
        //         if(cnt[ind] - A[i][ind] - A[j][ind] >= n / 2) 
        //             kol++;
        //     }
        //     mx = max(mx, kol);
        // }
        // cout << mx << "\n";
    }
}

Compilation message (stderr)

council.cpp: In function 'int main()':
council.cpp:57:13: warning: unused variable 'mx' [-Wunused-variable]
   57 |         int mx = 0;
      |             ^~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 6
• Subtask 4: 0 / 19
• Subtask 5: 0 / 15
• Subtask 6: 0 / 22
• Subtask 7: 0 / 22