Submission #2835037


Source Code Expand

#include<bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int MAX=16;
const int INF=0x3f3f3f3f;
int n,m,conn[MAX][MAX],dist[MAX][MAX],dp[MAX][1<<MAX],visit[MAX][1<<MAX],calc[1<<MAX],trk[MAX],ans;
void calc_build(int x,int v,int idx){
    //printf("%d %d %d\n",x,v,idx);
    if(idx>=n) {
        calc[x]=v;
        return;
    }
    calc_build(x,v,idx+1);
    trk[idx]=1;
    for(int i=0;i<idx;i++) if(trk[i]) v+=dist[i][idx];
    calc_build(x+(1<<idx),v,idx+1);
    trk[idx]=0;
}
int dp_build(int x,int bit){
    if(x==n-1) return dp[x][bit]=calc[bit];
    if(visit[x][bit]==0){
        int cmp[MAX],cmp_cnt=0;
        visit[x][bit]=1; dp[x][bit]=0;
        for(int i=0;i<n;i++) if(((1<<i)&bit)&&conn[i][x]){
            int cmp[MAX],cmp_cnt=0;
            for(int j=0;j<n-1;j++) if(((1<<j)&bit)&&i!=j&&x!=j) cmp[cmp_cnt++]=j;
            for(int j=0;j<(1<<(cmp_cnt));j++){
                int g1=1<<x,g2;
                for(int k=0;k<cmp_cnt;k++) if((1<<k)&j) g1+=(1<<cmp[k]);
                g2=bit-g1;
                dp[x][bit]=max(dp[x][bit],calc[g1]+dp_build(i,g2)+dist[x][i]);
            }
        }
        //printf("%d\t%x\t%d\n",x,bit,dp[x][bit]);
    }
    return dp[x][bit];
}
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=0;i<m;i++){
        int t1,t2,t;
        scanf("%d%d%d",&t1,&t2,&t);
        t1--,t2--;
        conn[t1][t2]=1,dist[t1][t2]=t;
        conn[t2][t1]=1,dist[t2][t1]=t;
        ans+=t;
    }
    calc_build(0,0,0);
    //for(int i=0;i<(1<<n);i++) printf("%d ",calc[i]);
    printf("%d\n",ans-dp_build(0,(1<<n)-1));
}

Submission Info

Submission Time
Task F - Mole and Abandoned Mine
User x0000ai
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1712 Byte
Status WA
Exec Time 1081 ms
Memory 6912 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:44:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
./Main.cpp:47:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&t1,&t2,&t);
                                   ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 900
Status
AC × 3
AC × 27
WA × 1
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt, 00_example_03.txt
All 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 2 ms 2304 KB
00_example_02.txt AC 2 ms 2304 KB
00_example_03.txt AC 82 ms 6912 KB
01.txt AC 795 ms 6912 KB
02.txt AC 5 ms 6400 KB
03.txt AC 2 ms 2304 KB
04.txt AC 2 ms 2304 KB
05.txt AC 2 ms 2304 KB
06.txt AC 3 ms 6400 KB
07.txt AC 3 ms 6400 KB
08.txt AC 84 ms 6656 KB
09.txt AC 3 ms 6400 KB
10.txt AC 2 ms 2304 KB
11.txt AC 804 ms 6912 KB
12.txt AC 82 ms 6912 KB
13.txt AC 787 ms 6912 KB
14.txt AC 450 ms 6912 KB
15.txt AC 799 ms 6912 KB
16.txt AC 761 ms 6912 KB
17.txt AC 652 ms 6912 KB
18.txt WA 90 ms 6912 KB
19.txt AC 318 ms 6912 KB
20.txt AC 953 ms 6912 KB
21.txt AC 1075 ms 6912 KB
22.txt AC 1076 ms 6912 KB
23.txt AC 1079 ms 6912 KB
24.txt AC 1076 ms 6912 KB
25.txt AC 1081 ms 6912 KB