Submission #3725119


Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
using namespace std;

size_t N,M;

int dfs(size_t i, int num, vector<vector<int>> relation, bool member[]) {
    if (i == N) {
        return num;
    } else {
        member[i] = false;
        int a = dfs(i+1,num,relation,member), b=0;
        size_t j;
        bool irel[i];
        for (j=0;j<i;j++) irel[j] = false;
        for (j=0; j<relation[i].size(); j++) {
            irel[relation[i][j]] = true;
        }
        for (j=0; j<=i; j++) {
            if (member[j] && !irel[j]) {//jがメンバーで、jとiが知り合いじゃないなら
                break;
            }
            if (j == i) { //最後まできたら
                member[i] = true;
                b = dfs(i+1,num+1,relation,member);
            }
        }
        return max(a,b);
    }
}

int main() {
    scanf("%zd %zd",&N,&M);
    int xi,yi;
    size_t i;
    bool member[N];
    vector<vector<int>> relation(N);
    for (i=0; i<M; i++) {
        scanf("%d %d",&xi,&yi);
        relation[(size_t)xi-1].push_back(yi-1);
        relation[(size_t)yi-1].push_back(xi-1);
    }
    printf("%d\n",dfs(0,0,relation,member));
}

Submission Info

Submission Time
Task D - 派閥
User shugo256
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1238 Byte
Status RE
Exec Time 103 ms
Memory 384 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:35:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%zd %zd",&N,&M);
                           ^
./Main.cpp:41:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&xi,&yi);
                               ^

Judge Result

Set Name all
Score / Max Score 0 / 100
Status
AC × 12
WA × 1
RE × 61
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 RE 103 ms 256 KB
00_sample_02.txt WA 1 ms 256 KB
00_sample_03.txt RE 97 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 RE 98 ms 256 KB
test_05.txt AC 1 ms 256 KB
test_06.txt RE 96 ms 256 KB
test_07.txt RE 100 ms 256 KB
test_08.txt RE 102 ms 256 KB
test_09.txt RE 101 ms 256 KB
test_10.txt RE 97 ms 256 KB
test_11.txt AC 1 ms 256 KB
test_12.txt RE 98 ms 256 KB
test_13.txt RE 99 ms 256 KB
test_14.txt AC 1 ms 256 KB
test_15.txt RE 97 ms 256 KB
test_16.txt RE 100 ms 256 KB
test_17.txt RE 98 ms 256 KB
test_18.txt RE 96 ms 256 KB
test_19.txt RE 96 ms 256 KB
test_20.txt RE 102 ms 256 KB
test_21.txt RE 100 ms 256 KB
test_22.txt RE 97 ms 256 KB
test_23.txt RE 98 ms 256 KB
test_24.txt RE 98 ms 256 KB
test_25.txt AC 1 ms 256 KB
test_26.txt RE 96 ms 256 KB
test_27.txt RE 96 ms 256 KB
test_28.txt RE 96 ms 256 KB
test_29.txt RE 100 ms 256 KB
test_30.txt RE 101 ms 256 KB
test_31.txt RE 101 ms 256 KB
test_32.txt RE 96 ms 256 KB
test_33.txt RE 99 ms 256 KB
test_34.txt RE 98 ms 256 KB
test_35.txt RE 103 ms 256 KB
test_36.txt RE 103 ms 256 KB
test_37.txt AC 1 ms 256 KB
test_38.txt RE 103 ms 256 KB
test_39.txt RE 97 ms 256 KB
test_40.txt RE 96 ms 256 KB
test_41.txt RE 102 ms 256 KB
test_42.txt RE 103 ms 256 KB
test_43.txt AC 1 ms 256 KB
test_44.txt RE 97 ms 256 KB
test_45.txt RE 99 ms 256 KB
test_46.txt RE 99 ms 256 KB
test_47.txt RE 102 ms 256 KB
test_48.txt RE 99 ms 256 KB
test_49.txt RE 100 ms 256 KB
test_50.txt AC 1 ms 256 KB
test_51.txt RE 99 ms 256 KB
test_52.txt RE 96 ms 256 KB
test_53.txt RE 97 ms 256 KB
test_54.txt RE 96 ms 256 KB
test_55.txt RE 99 ms 256 KB
test_56.txt RE 98 ms 256 KB
test_57.txt RE 102 ms 256 KB
test_58.txt RE 103 ms 256 KB
test_59.txt RE 98 ms 256 KB
test_60.txt RE 98 ms 256 KB
test_61.txt RE 99 ms 256 KB
test_62.txt AC 1 ms 256 KB
test_63.txt RE 100 ms 256 KB
test_64.txt RE 97 ms 256 KB
test_65.txt RE 102 ms 256 KB
test_66.txt RE 102 ms 256 KB
test_67.txt RE 100 ms 384 KB
test_68.txt RE 98 ms 256 KB
test_69.txt RE 97 ms 256 KB
test_70.txt RE 98 ms 256 KB