답안 #1086977

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1086977	2024-09-12T01:13:08 Z	Bananabread	Council (JOI23_council)	C++17	6 / 100	122 ms	9188 KB

council

#include<bits/stdc++.h>
#define ll long long
#define ntr "\n"
#define mod (ll)(1e9+7)
#define taskname "temp"
#define frep freopen("06-02.inp","r",stdin); freopen(taskname".out","w",stdout);
using namespace std;
ll pref[100];
ll arr[300001];
ll ans[300001];
ll cnt[1<<17];
ll best[1<<17];
ll n,m;
ll one,two,zero;
ll super[1<<17];
bool ison(ll x,ll i){
    return (x>>i)&1;
}
ll flip(ll x){
    return ((1<<m)-1)&~x;
}
ll cntc=0;
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++){
        for(int j=0;j<m;j++){
            ll x;
            cin>>x;
            pref[j]+=x;
            arr[i]+=(x<<j);
        }
        cnt[arr[i]]++;
    }
    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);
    }
//    if(n<=3000){
//        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]-ison(arr[i],u)-ison(arr[j],u);
//                    if(c>=n/2) cnt++;
//                }
//                ans[i]=max(ans[i],cnt);
//                ans[j]=max(ans[j],cnt);
//            }
//        }
//        for(int i=1;i<=n;i++){
//            cout<<ans[i]<<ntr;
//        }
//        return 0;
//    }
    for(int i=0;i<(1<<m);i++){
        if(!cnt[i]) continue;
        ll mask=flip(i);
        for (int nextmask = mask; nextmask ; nextmask=(nextmask-1)&mask){
            super[nextmask]+=cnt[i];
        }
    }
    cout<<ntr;
    for(int mask=0;mask<(1<<m);mask++){
        if(!cnt[mask]) continue;
        cnt[mask]--;
        ll ONE=(two | ( one & flip(mask) ));
        ll ZERO=( one | ( zero & flip(mask) ));
       // cout<<ONE<<' '<<ZERO<<ntr;
        ll optmask=0;
        for(int i=0;i<m;i++){
            if(ONE&(1<<i)) continue;
            if(ZERO&(1<<i)) optmask|=(1<<i);
        }
       // cout<<optmask<<ntr;
        for(int nextmask=optmask;nextmask;nextmask=(nextmask-1)&optmask){
            if(super[nextmask]>(nextmask&mask==0))
                best[mask]=max(best[mask],(ll)__builtin_popcount(ONE|(ZERO&nextmask)));
        }
//        cout<<ntr<<ntr;
        best[mask]=max(best[mask],(ll)__builtin_popcount(ONE));
        cnt[mask]++;
    }
    for(int i=1;i<=n;i++){
        cout<<best[arr[i]]<<ntr;
    }
}

Compilation message

council.cpp: In function 'int main()':
council.cpp:79:46: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   79 |             if(super[nextmask]>(nextmask&mask==0))
      |                                          ~~~~^~~

Subtask #1
0 / 8.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #2
0 / 8.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #3
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	4460 KB	Output is correct
3	Correct	34 ms	4468 KB	Output is correct
4	Correct	26 ms	3928 KB	Output is correct
5	Correct	37 ms	4452 KB	Output is correct
6	Correct	27 ms	3920 KB	Output is correct
7	Correct	37 ms	4476 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 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	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct

Subtask #4
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	4460 KB	Output is correct
3	Correct	34 ms	4468 KB	Output is correct
4	Correct	26 ms	3928 KB	Output is correct
5	Correct	37 ms	4452 KB	Output is correct
6	Correct	27 ms	3920 KB	Output is correct
7	Correct	37 ms	4476 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 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	0 ms	348 KB	Output is correct
16	Correct	1 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	0 ms	348 KB	Output is correct
20	Incorrect	122 ms	9188 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	4460 KB	Output is correct
3	Correct	34 ms	4468 KB	Output is correct
4	Correct	26 ms	3928 KB	Output is correct
5	Correct	37 ms	4452 KB	Output is correct
6	Correct	27 ms	3920 KB	Output is correct
7	Correct	37 ms	4476 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 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	0 ms	348 KB	Output is correct
16	Correct	1 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	0 ms	348 KB	Output is correct
20	Incorrect	122 ms	9188 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	4460 KB	Output is correct
3	Correct	34 ms	4468 KB	Output is correct
4	Correct	26 ms	3928 KB	Output is correct
5	Correct	37 ms	4452 KB	Output is correct
6	Correct	27 ms	3920 KB	Output is correct
7	Correct	37 ms	4476 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 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	0 ms	348 KB	Output is correct
16	Correct	1 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	0 ms	348 KB	Output is correct
20	Incorrect	122 ms	9188 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #7
0 / 22.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

답안 #1086977

Compilation message

Subtask #1 0 / 8.0

Subtask #2 0 / 8.0

Subtask #3 6.0 / 6.0

Subtask #4 0 / 19.0

Subtask #5 0 / 15.0

Subtask #6 0 / 22.0

Subtask #7 0 / 22.0

Subtask #1
0 / 8.0

Subtask #2
0 / 8.0

Subtask #3
6.0 / 6.0

Subtask #4
0 / 19.0

Subtask #5
0 / 15.0

Subtask #6
0 / 22.0

Subtask #7
0 / 22.0