oj.uz

Submission #403435

# Submission time Handle Problem Language Result Execution time Memory
403435 2021-05-13T07:33:07 Z Fidisk Solar Storm (NOI20_solarstorm) C++14
0 / 100
 379 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;

#define oo 1e15
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) ((xxxx>>(aaaa-1))&1)

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;
typedef pair<pair<long long,long long>,pair<long long,long long>> pllll;
typedef pair<pair<long long,long long>,bool> pllb;

const ll base=361;
const ll mod=998244353;
const ld eps=1e-5;
const ll maxn=1e6;

ll n,s,k,i,res,pos,sum[22][1000009],pre[1000009],g[22][1000009],r[1000009],a[1000009],v[1000009],l[1000009],p[1000009],ans,j;

ll calc(ll x,ll y) {
    ll kq=0;
    for (ll ii=20;ii>=1;ii--) {
        if (getbit(y,ii)==1) {
            kq+=sum[ii][x];
            x=g[ii][x];
        }
    }
    return kq;
}

void Trace(ll x,ll y) {
    if (y==s) {
        cout<<n<<'\n';
        return;
    }
    if (x==n+1) {
        cout<<y<<'\n';
        return;
    }
    Trace(r[p[x]]+1,y+1);
    cout<<p[x]<<' ';
}

int main(){
    IO;
    cin>>n>>s>>k;
    for (i=1;i<n;i++) {
        cin>>a[i+1];
        a[i+1]+=a[i];
    }
    for (i=1;i<=n;i++) {
        cin>>v[i];
    }
    for (i=n;i>0;i--) {
        ans=i;
        for (j=ans-1;j>0;j/=2) {
            while (ans-j>0&&a[ans-j]>=a[i]-k) {
                ans-=j;
            }
        }
        l[i]=ans;
        p[l[i]]=max(p[l[i]],i);
    }
    for (i=1;i<=n;i++) {
        ans=i;
        for (j=n;j>0;j/=2) {
            while (ans+j<=n&&a[ans+j]<=a[i]+k) {
                ans+=j;
            }
        }
        r[i]=ans;
    }
    for (i=1;i<=n;i++) {
        p[i]=max(p[i-1],p[i]);
    }
    for (i=1;i<=n;i++) {
        pre[i]=pre[i-1]+v[i];
    }
    for (i=1;i<=n;i++) {
        g[1][i]=r[p[i]]+1;
    }
    g[1][n+1]=n+1;
    sum[1][n+1]=0;
    for (i=1;i<=n;i++) {
        sum[1][i]=pre[g[1][i]-1]-pre[i-1];
    }
    for (i=2;i<=20;i++) {
        for (j=1;j<=n;j++) {
            g[i][j]=g[i-1][g[i-1][j]];
            sum[i][j]=sum[i-1][j]+sum[i-1][g[i-1][j]];
        }
    }
    for (i=1;i<=n;i++) {
        ans=calc(i,s);
        if (ans>res) {
            res=ans;
            pos=i;
        }
    }
    //cout<<res<<'\n';
    Trace(pos,0);
    return 0;
    for (i=1;i<=n;i++) {
        cout<<a[i]<<' ';
    }
    cout<<'\n';
    for (i=1;i<=n;i++) {
        cout<<p[i]<<' ';
    }
    cout<<'\n';
    for (i=1;i<=n;i++) {
        cout<<l[i]<<' ';
    }
    cout<<'\n';
    for (i=1;i<=n;i++) {
        cout<<r[i]<<' ';
    }
    cout<<'\n';
    for (i=1;i<=n;i++) {
        cout<<pre[i]<<' ';
    }
    cout<<'\n';
    for (i=1;i<=n;i++) {
        cout<<g[1][i]<<' ';
    }
    cout<<'\n';

}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Incorrect 5 ms 3916 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 379 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Incorrect 5 ms 3916 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 354 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Incorrect 5 ms 3916 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Incorrect 5 ms 3916 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Incorrect 5 ms 3916 KB Output isn't correct
3 Halted 0 ms 0 KB -