Submission #7994698


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0, i##_len = (n); i < i##_len; i++)
#define reps(i, s, n) for(int i = (s), i##_len = (n); i < i##_len; i++)
#define rrep(i, n) for(int i = (n) - 1; i >= 0; i--)
#define rreps(i, e, n) for(int i = (n) - 1; i >= (e); i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)(x).size())
#define uniq(x) (x).erase(unique((x).begin(), (x).end()), (x).end())

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    int n, m;
    cin >> n >> m;
    vector<vector<int>> g(n);
    vector<vector<int>> groups;
    int ans = 0;
    
    rep(i, m) {
        int x, y;
        cin >> x >> y;
        x--; y--;
        g[x].push_back(y);
        g[y].push_back(x);
    }
    
    rep(i, n) {
        bool united = false;
        
        rep(ii, sz(groups)) {
            bool join = true;
            
            for (auto member : groups[ii]) {
                bool friendship = false;
                
                for (auto relation : g[member]) {
                    if (relation == i) {
                        friendship = true;
                        break;
                    }
                }
                
                if (!friendship) {
                    join = false;
                    break;
                }
            }
            
            if (join) {
                groups[ii].push_back(i);
                united = true;
            }
        }
        
        if (!united) {
            vector<int> new_group;
            new_group.push_back(i);
            groups.push_back(new_group);
        }
    }
    
    rep(i, sz(groups)) {
        ans = max(ans, sz(groups[i]));
    }
    
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task D - 派閥
User misterkeemu
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1847 Byte
Status WA
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name all
Score / Max Score 0 / 100
Status
AC × 55
WA × 19
Set Name Test Cases
all 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 1 ms 256 KB
test_01.txt AC 1 ms 256 KB
test_02.txt AC 1 ms 256 KB
test_03.txt AC 1 ms 256 KB
test_04.txt WA 1 ms 256 KB
test_05.txt AC 1 ms 256 KB
test_06.txt AC 1 ms 256 KB
test_07.txt AC 1 ms 256 KB
test_08.txt AC 1 ms 256 KB
test_09.txt AC 1 ms 256 KB
test_10.txt AC 1 ms 256 KB
test_11.txt AC 1 ms 256 KB
test_12.txt WA 1 ms 256 KB
test_13.txt AC 1 ms 256 KB
test_14.txt AC 1 ms 256 KB
test_15.txt AC 1 ms 256 KB
test_16.txt AC 1 ms 256 KB
test_17.txt AC 1 ms 256 KB
test_18.txt AC 1 ms 256 KB
test_19.txt WA 1 ms 256 KB
test_20.txt AC 1 ms 256 KB
test_21.txt AC 1 ms 256 KB
test_22.txt AC 1 ms 256 KB
test_23.txt AC 1 ms 256 KB
test_24.txt AC 1 ms 256 KB
test_25.txt AC 1 ms 256 KB
test_26.txt AC 1 ms 256 KB
test_27.txt WA 1 ms 256 KB
test_28.txt AC 1 ms 256 KB
test_29.txt AC 1 ms 256 KB
test_30.txt AC 1 ms 256 KB
test_31.txt AC 1 ms 256 KB
test_32.txt WA 1 ms 256 KB
test_33.txt WA 1 ms 256 KB
test_34.txt AC 1 ms 256 KB
test_35.txt WA 1 ms 256 KB
test_36.txt AC 1 ms 256 KB
test_37.txt AC 1 ms 256 KB
test_38.txt AC 1 ms 256 KB
test_39.txt WA 1 ms 256 KB
test_40.txt WA 1 ms 256 KB
test_41.txt AC 1 ms 256 KB
test_42.txt AC 1 ms 256 KB
test_43.txt AC 1 ms 256 KB
test_44.txt WA 1 ms 256 KB
test_45.txt AC 1 ms 256 KB
test_46.txt WA 1 ms 256 KB
test_47.txt AC 1 ms 256 KB
test_48.txt AC 1 ms 256 KB
test_49.txt WA 1 ms 256 KB
test_50.txt AC 1 ms 256 KB
test_51.txt AC 1 ms 256 KB
test_52.txt WA 1 ms 256 KB
test_53.txt WA 1 ms 256 KB
test_54.txt AC 1 ms 256 KB
test_55.txt AC 1 ms 256 KB
test_56.txt AC 1 ms 256 KB
test_57.txt AC 1 ms 256 KB
test_58.txt AC 1 ms 256 KB
test_59.txt WA 1 ms 256 KB
test_60.txt AC 1 ms 256 KB
test_61.txt AC 1 ms 256 KB
test_62.txt AC 1 ms 256 KB
test_63.txt WA 1 ms 256 KB
test_64.txt AC 1 ms 256 KB
test_65.txt AC 1 ms 256 KB
test_66.txt AC 1 ms 256 KB
test_67.txt WA 1 ms 256 KB
test_68.txt AC 1 ms 256 KB
test_69.txt WA 1 ms 256 KB
test_70.txt WA 1 ms 256 KB