oj.uz

Submission #949931

# Submission time Handle Problem Language Result Execution time Memory
949931 2024-03-19T23:12:53 Z sondos225 Relay Marathon (NOI20_relaymarathon) C++17
17 / 100
 757 ms 1048576 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T>using ordered_set = tree<T,null_type,less_equal<T>,rb_tree_tag,tree_order_statistics_node_update>;//find_by_order(ind);
//order_of_key()
#define int long long
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define yes "YES"
#define no "NO"
#define bigg INT_MAX
#define debug(x) cout<<(#x)<<" = " <<x<<endl;
#define all(x) x.begin(),x.end()
#define sz size()
#define nn '\n'
#define mms(x,y) memset(x,y,sizeof(x))
#define forr(i,j,n) for (int i=j; i<n; i++)
#define forn(i,j,n) for (int i=j; i>n; i--)
#define fi first
#define se second
#define la "LA"
#define cinn(x,y) for(int i=0; i<y; i++) cin>>x[i];
#define pii pair<int,int>
signed main()
{
//    #ifndef LOCAL
//    freopen("lifeguards.in","r",stdin);
//    freopen("lifeguards.out","w", stdout);
//    #endif
    fast
    int n,m,k;
    cin>>n >>m >>k;
    int dis[n+1][n+1];
    forr(i,1,n+1)
    {
        forr(j,1,n+1)
        {
            if (i==j) dis[i][j]=0;
            else dis[i][j]=bigg;
        }
    }
    forr(i,0,m)
    {
        int x,y,z;
        cin>>x >>y >>z;
//        a[x].pb({y,z});
//        a[y].pb({x,z});
        dis[x][y]=z;
        dis[y][x]=z;
    }
    int s[k];
    bool b[n+1]= { };
    forr(i,0,k)
    {
        cin>>s[i];
        b[s[i]]=1;
    }
    vector<pii> top3[n+1];
    forr(q,1,n+1)
    {
        //vector<pii> cur;
        forr(i,1,n+1)
        {

            forr(j,1,n+1)
            {
                if (i==j) continue;
                dis[i][j]=min(dis[i][j],dis[i][q]+dis[q][j]);
            }
            //cout<<la<<i<<' '<<j<<' '<<dis[i][j]<<endl;
                    }
//if (b[i] && b[j]) cur.pb({dis[i][j],j});
//        sort(all(cur));
//        if(cur.sz>0) top3[i].pb(cur[0]);
//        if(cur.sz>1) top3[i].pb(cur[1]);
//        if(cur.sz>2) top3[i].pb(cur[2]);
    }
     forr(i,1,n+1)
    {
        vector<pii> cur;
        forr(j,1,n+1)
        {
            if (i==j) continue;
            if (b[i] && b[j]) cur.pb({dis[i][j],j});//cout<<la<<i<<' '<<j<<' '<<dis[i][j]<<endl;
        }
        sort(all(cur));
        if(cur.sz>0) top3[i].pb(cur[0]);
        if(cur.sz>1) top3[i].pb(cur[1]);
        if(cur.sz>2) top3[i].pb(cur[2]);
    }
    int ans=bigg;
    forr(i,0,k)
    {
        int x=s[i];
        if (top3[x].sz==0) continue;
        forr(j,0,k)
        {
            if (i==j) continue;
            int y=s[j];
            int cur=top3[x][0].fi;
            int nope=top3[x][0].se;
            if (y==nope) continue;
            if (top3[y].sz==0) continue;
            if (top3[y][0].se!=nope && top3[y][0].se!=x) cur+=top3[y][0].fi;
            else if (top3[y].sz==1) continue;
            else if (top3[y][1].se!=nope && top3[y][1].se!=x) cur+=top3[y][1].fi;
            else if (top3[y].sz==2) continue;
            else if (top3[y][2].se!=nope && top3[y][2].se!=x) cur+=top3[y][2].fi;
            else if (top3[y].sz==3) continue;
            else cur+=top3[y][3].fi;
          //  cout<<x<<' '<<y<<' '<<cur<<endl;
            ans=min(ans,cur);
        }
    }
    if (ans==bigg) ans/=0;
    cout<<ans;
    return 0;
}

Compilation message

RelayMarathon.cpp: In function 'int main()':
RelayMarathon.cpp:117:23: warning: division by zero [-Wdiv-by-zero]
  117 |     if (ans==bigg) ans/=0;
      |                    ~~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 472 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 472 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 107 ms 2400 KB Output is correct
32 Correct 109 ms 2420 KB Output is correct
33 Correct 115 ms 2412 KB Output is correct
34 Correct 126 ms 2648 KB Output is correct
35 Correct 110 ms 2396 KB Output is correct
36 Correct 118 ms 2644 KB Output is correct
37 Correct 120 ms 2484 KB Output is correct
38 Correct 107 ms 2392 KB Output is correct
39 Correct 119 ms 3360 KB Output is correct
40 Correct 117 ms 2640 KB Output is correct
41 Correct 106 ms 2396 KB Output is correct
42 Correct 138 ms 2640 KB Output is correct
43 Correct 110 ms 2396 KB Output is correct
44 Correct 111 ms 2420 KB Output is correct
45 Correct 123 ms 2408 KB Output is correct
46 Correct 130 ms 3416 KB Output is correct
47 Correct 113 ms 2392 KB Output is correct
48 Correct 123 ms 3268 KB Output is correct
49 Correct 123 ms 3408 KB Output is correct
50 Correct 107 ms 2396 KB Output is correct
51 Correct 111 ms 2420 KB Output is correct
52 Correct 112 ms 2416 KB Output is correct
53 Correct 113 ms 2904 KB Output is correct
54 Correct 119 ms 3416 KB Output is correct
55 Correct 107 ms 2396 KB Output is correct
56 Correct 121 ms 2644 KB Output is correct
57 Correct 107 ms 2440 KB Output is correct
58 Correct 125 ms 3672 KB Output is correct
59 Correct 106 ms 2396 KB Output is correct
60 Correct 111 ms 2392 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 757 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 472 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 107 ms 2400 KB Output is correct
32 Correct 109 ms 2420 KB Output is correct
33 Correct 115 ms 2412 KB Output is correct
34 Correct 126 ms 2648 KB Output is correct
35 Correct 110 ms 2396 KB Output is correct
36 Correct 118 ms 2644 KB Output is correct
37 Correct 120 ms 2484 KB Output is correct
38 Correct 107 ms 2392 KB Output is correct
39 Correct 119 ms 3360 KB Output is correct
40 Correct 117 ms 2640 KB Output is correct
41 Correct 106 ms 2396 KB Output is correct
42 Correct 138 ms 2640 KB Output is correct
43 Correct 110 ms 2396 KB Output is correct
44 Correct 111 ms 2420 KB Output is correct
45 Correct 123 ms 2408 KB Output is correct
46 Correct 130 ms 3416 KB Output is correct
47 Correct 113 ms 2392 KB Output is correct
48 Correct 123 ms 3268 KB Output is correct
49 Correct 123 ms 3408 KB Output is correct
50 Correct 107 ms 2396 KB Output is correct
51 Correct 111 ms 2420 KB Output is correct
52 Correct 112 ms 2416 KB Output is correct
53 Correct 113 ms 2904 KB Output is correct
54 Correct 119 ms 3416 KB Output is correct
55 Correct 107 ms 2396 KB Output is correct
56 Correct 121 ms 2644 KB Output is correct
57 Correct 107 ms 2440 KB Output is correct
58 Correct 125 ms 3672 KB Output is correct
59 Correct 106 ms 2396 KB Output is correct
60 Correct 111 ms 2392 KB Output is correct
61 Runtime error 757 ms 1048576 KB Execution killed with signal 9
62 Halted 0 ms 0 KB -