oj.uz

Submission #1106198

# Submission time Handle Problem Language Result Execution time Memory
1106198 2024-10-29T13:57:11 Z Bananabread Harvest (JOI20_harvest) C++17
5 / 100
 1464 ms 337224 KB 
#include<bits/stdc++.h>
#define ll long long
#define ntr "\n"
#define mod (ll)(1e9+7)
#define taskname ""
#define frep freopen(taskname".inp","r",stdin); freopen(taskname".out","w",stdout);
using namespace std;
ll a[5001],b[5001];
ll n,m,l,c,q;
vector<pair<ll,ll>> adj[7001];
ll loop1[7001][3001];
ll loop2[7001][3001];
ll vis[7001];
ll par;
void dfs(ll u,ll dist){
    if(vis[u]>=2) return ;
    vis[u]++;
    if(vis[u]==1) loop1[u][par]=dist;
    else loop2[u][par]=dist;
    for(auto [v,w]:adj[u]){
        dfs(v,dist+w);
    }
}
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    //frep;
    cin>>n>>m>>l>>c;
    for(int i=1;i<=n;i++) cin>>a[i];
    for(int i=1;i<=m;i++) cin>>b[i];
    for(int i=1;i<=n;i++){
        ll t=((a[i]-c)%l+l)%l;
        ll pos=upper_bound(a+1,a+n+1,t)-a-1;
        if(pos==0) pos=n;
        //if(i==j) continue;
        ll v=((a[i]-a[pos])%l+l)%l;
        ll cost=(c-v+l-1)/l*l+v;
//        cout<<i<<' '<<pos<<' '<<mn<<ntr;
        adj[i].push_back({pos,cost});
    }
    for(int i=1;i<=m;i++){
        ll v=upper_bound(a+1,a+n+1,b[i])-a-1;
        if(v==0) v=n;
        ll cost=((b[i]-a[v])%l+l)%l;
        adj[i+n].push_back({v,cost});
//        cout<<i<<' '<<v<<' '<<cost<<ntr;
    }
    memset(loop1,0x3f,sizeof(loop1));
    memset(loop2,0x3f,sizeof(loop2));
    for(int i=1;i<=m;i++){
        par=i;
        dfs(i+n,0);
        for(int j=1;j<=n+m;j++) vis[j]=0;
    }
//    for(int i=1;i<=n;i++){
//        for(int j=1;j<=m;j++){
//            cout<<loop1[i][j]<<' ';
//        }
//        cout<<ntr;
//    }
    cin>>q;
    for(int i=1;i<=q;i++){
        ll u,t;
        cin>>u>>t;
        ll ans=0;
        for(int j=1;j<=m;j++){
            if(loop1[u][j]>t) continue;
            ans++;
            ll diff=loop2[u][j]-loop1[u][j];
            //cout<<diff<<' ';
            ans+=(t-loop1[u][j])/diff;
        }
        cout<<ans<<ntr;
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 329544 KB Output is correct
2 Correct 53 ms 329800 KB Output is correct
3 Correct 68 ms 329800 KB Output is correct
4 Correct 63 ms 329840 KB Output is correct
5 Correct 90 ms 330024 KB Output is correct
6 Correct 92 ms 330048 KB Output is correct
7 Correct 98 ms 330056 KB Output is correct
8 Correct 58 ms 329740 KB Output is correct
9 Correct 57 ms 329692 KB Output is correct
10 Correct 58 ms 329848 KB Output is correct
11 Correct 55 ms 329800 KB Output is correct
12 Correct 185 ms 330056 KB Output is correct
13 Correct 392 ms 330056 KB Output is correct
14 Correct 124 ms 330060 KB Output is correct
15 Correct 69 ms 329748 KB Output is correct
16 Correct 71 ms 329816 KB Output is correct
17 Correct 75 ms 329800 KB Output is correct
18 Correct 73 ms 329808 KB Output is correct
19 Correct 71 ms 329800 KB Output is correct
20 Correct 73 ms 329800 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1464 ms 337224 KB Output is correct
2 Runtime error 16 ms 1104 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 329544 KB Output is correct
2 Correct 53 ms 329800 KB Output is correct
3 Correct 68 ms 329800 KB Output is correct
4 Correct 63 ms 329840 KB Output is correct
5 Correct 90 ms 330024 KB Output is correct
6 Correct 92 ms 330048 KB Output is correct
7 Correct 98 ms 330056 KB Output is correct
8 Correct 58 ms 329740 KB Output is correct
9 Correct 57 ms 329692 KB Output is correct
10 Correct 58 ms 329848 KB Output is correct
11 Correct 55 ms 329800 KB Output is correct
12 Correct 185 ms 330056 KB Output is correct
13 Correct 392 ms 330056 KB Output is correct
14 Correct 124 ms 330060 KB Output is correct
15 Correct 69 ms 329748 KB Output is correct
16 Correct 71 ms 329816 KB Output is correct
17 Correct 75 ms 329800 KB Output is correct
18 Correct 73 ms 329808 KB Output is correct
19 Correct 71 ms 329800 KB Output is correct
20 Correct 73 ms 329800 KB Output is correct
21 Correct 1464 ms 337224 KB Output is correct
22 Runtime error 16 ms 1104 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -