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Submission #1086616

# Submission time Handle Problem Language Result Execution time Memory
1086616 2024-09-11T06:58:57 Z Bananabread Council (JOI23_council) C++17
0 / 100
 55 ms 49004 KB 
#include<bits/stdc++.h>
#define ll long long
#define ntr "\n"
#define mod (ll)(1e9+7)
#define taskname "temp"
#define frep freopen("03-05.inp","r",stdin); freopen(taskname".out","w",stdout);
using namespace std;
ll pref[300001];
ll arr[300001][20];
ll ans[300001];
ll cnt[1<<17]={};
ll best[1<<17]={};
ll n,m;
ll one,two,zero;
ll super[1<<17];
void sub2(){
    for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++){
            ll cnt=0;
            for(int u=0;u<m;u++){
                ll c=pref[u]-arr[i][u]-arr[j][u];
                if(c>n/2-1) cnt++;
            }
            ans[i]=max(ans[i],cnt);
            ans[j]=max(ans[j],cnt);
        }
    }
    for(int i=1;i<=n;i++){
        cout<<ans[i]<<ntr;
    }
}
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    //frep;
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        ll mask=0;
        for(int j=0;j<m;j++){
            cin>>arr[i][j];
            pref[j]+=arr[i][j];
            mask|=(arr[i][j]<<j);
        }
        cnt[mask]++;
    }
    if(n<=3000){
        sub2();
        return 0;
    }
    for(int i=0;i<m;i++){
        if(pref[i]>=n/2+2) two|=(1<<i);
        if(pref[i]==n/2+1) one|=(1<<i);
        if(pref[i]==n/2)  zero|=(1<<i);
    }
    for(int i=0;i<(1<<m);i++){
        if(!cnt[i]) continue;
        ll mask=(((1<<m)-1) & ~i);
        for (int nextmask = mask; nextmask ; nextmask=(nextmask-1)&mask){
            super[nextmask]++;
        }
    }
    for(int mask=0;mask<(1<<m);mask++){
        if(!cnt[mask]) continue;
        cnt[mask]--;
        ll ONE=(two | ( one & ~mask ));
        ll ZERO=( one | ( zero & ~mask ));
        ll cmask=(((1<<m)-1) & ~mask);
        for(int nextmask=cmask ; nextmask ; nextmask=(nextmask-1)&cmask){
            super[nextmask]--;
        }
        for(int nextmask=ZERO ; nextmask ; nextmask=(nextmask-1)&ZERO){
            if(super[nextmask]){
                best[mask]=max(best[mask],(ll)__builtin_popcount(ONE|(ZERO&nextmask)));
            }
        }
        for(int nextmask=cmask ; nextmask ; nextmask=(nextmask-1)&cmask){
            super[nextmask]++;
        }
        cnt[mask]++;
    }
    for(int i=1;i<=n;i++){
        ll mask=0;
        for(int j=0;j<m;j++){
            mask+=(arr[i][j]<<j);
        }
        cout<<best[mask]<<ntr;
    }
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Incorrect 2 ms 1628 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Incorrect 2 ms 1628 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 55 ms 49004 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 55 ms 49004 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 55 ms 49004 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 55 ms 49004 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Incorrect 2 ms 1628 KB Output isn't correct
10 Halted 0 ms 0 KB -