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답안 #864277

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
864277 2023-10-22T09:57:29 Z ngonhatmin 운세 보기 2 (JOI14_fortune_telling2) C++17
100 / 100
 464 ms 72940 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
#define fi first
#define se second
#define FOR(i,a,b) for (int i=(a); i<=(b); ++i)
#define FORD(i,a,b) for (int i=(a); i>=(b); --i)
#define pb push_back
#define pf push_front
#define mp make_pair
#define TWO(x) (1<<(x))
#define BIT(s,i) (((s)&TWO(i))>0)
#define ON(s,i) (s |= TWO(i))
#define OFF(s,i) (s &= ~TWO(i))
#define FLIP(s,i) (s ^= TWO(i))
#define vvec vector<vector<int>>

struct ngocon{
    int val,lazy;
};

struct point{
    int x,y;
};

typedef pair<int,int> pii;
typedef pair<pii,int> piii;
typedef pair<int,pii> ipii;
typedef pair<pii,pii> pipi;

const int h4[4] = {1,0,-1,0}; /// 4 huong
const int c4[4] = {0,1,0,-1}; /// 4 huong
const int h8[8] = {-1,-1,-1,0,1,1,1,0}; /// 8 huong
const int c8[8] = {-1,0,1,1,1,0,-1,-1}; /// 8 huong
const int cv1[8] = {1,2,2,1,-1,-2,-2,-1}; /// 8 huong quan ma
const int cv2[8] = {-2,-1,1,2,2,1,-1,-2}; /// 8 huong quan ma
const int mod = 1e9 + 7; /// chia du
const int base = 26; /// ma hoa
const int oo = 1e16;
const int N = 2e5 + 2;

int n,k,result;
int a[N],b[N],v[N],f[24*N],d[N],bit[6*N],ans[N];
bool dd[N];
vector <int> nor,vec[N];
unordered_map <int,int> Map;

void compress(){
    FOR(i,1,n){
        nor.pb(a[i]);
        nor.pb(b[i]);
    }
    FOR(i,1,k) nor.pb(v[i]);

    sort(nor.begin(),nor.end());

    //cout << "size: " << nor.size() << ' ' << 2*n + k << '\n';

    int pos;
    FOR(i,1,n){
        pos = lower_bound(nor.begin(),nor.end(),a[i]) - nor.begin() + 1;
        Map[pos] = a[i]; a[i] = pos;
        pos = lower_bound(nor.begin(),nor.end(),b[i]) - nor.begin() + 1;
        Map[pos] = b[i]; b[i] = pos;
    }
    FOR(i,1,k) v[i] = lower_bound(nor.begin(),nor.end(),v[i]) - nor.begin() + 1;
}

void update(int i, int l, int r, int u, int v){
    if (r < u || u < l) return;
    if (l == r){
        f[i] = max(f[i],v);
        return;
    }

    int mid = (l + r) >> 1;

    update(i*2,l,mid,u,v);
    update(i*2+1,mid+1,r,u,v);
    f[i] = max(f[i*2],f[i*2+1]);
}

int query(int i, int l, int r, int u, int v){
    if (r < u || v < l || u > v) return 0;
    if (u <= l && r <= v) return f[i];

    int mid = (l + r) >> 1;

    return max(query(i*2,l,mid,u,v),query(i*2+1,mid+1,r,u,v));
}

void update_bit(int i, int v){
    while (i <= 2*n + k){
        bit[i] += v;
        i += (i & (-i));
    }
}

int query_bit(int i){
    int res = 0;
    while (i > 0){
        res += bit[i];
        i -= (i & (-i));
    }
    return res;

}

//int a1[N],b1[N],ans1[N],ans2[N],result1;
//
//void sub1(){
//    FOR(i,1,n) a1[i] = a[i], b1[i] = b[i];
//
//    FOR(i,1,k){
//        FOR(j,1,n) if (a[j] <= v[i]) swap(a[j],b[j]);
//    }
//
//    FOR(i,1,n){
//        ans1[i] = a[i];
//        result1 += a[i];
//    }
//}

signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);

    cin >> n >> k;
    FOR(i,1,n) cin >> a[i] >> b[i];

    FOR(i,1,k) cin >> v[i];

//    sub1();

    compress();

//    FOR(i,1,n) cout << a[i] << ' ' << b[i] << '\n';

//    FOR(i,1,k) cout << v[i] << ' '; cout << '\n';
    FOR(i,1,k){
        update(1,1,2*n+k,v[i],i);
        update_bit(v[i],1);
    }

    FOR(i,1,n){
//        cout << i << ": " << min(a[i],b[i]) << ' ' << max(a[i],b[i]) - 1 << '\n';
        d[i] = query(1,1,2*n + k,min(a[i],b[i]),max(a[i],b[i]) - 1);
        if (d[i] != 0) dd[i] = 1;
        vec[d[i]+1].pb(i);
    }

//    cout << "d: "; FOR(i,1,n) cout << d[i] << ' '; cout << '\n';

    FOR(i,1,k){
        for (auto j : vec[i]) ans[j] = k - i + 1 - query_bit(max(b[j],a[j]) - 1);
        update_bit(v[i],-1);
    }

//    cout << "ans: "; FOR(i,1,n) cout << ans[i] << ' '; cout << '\n';

    FOR(i,1,n){
        a[i] = Map[a[i]];
        b[i] = Map[b[i]];
    }
    FOR(i,1,n){
        if (!dd[i]){
            if (ans[i]%2 == 0) result += a[i];
            else result += b[i];
        }
        else{
            if (a[i] >= b[i]){
                if (ans[i]%2 == 0) result += a[i];
                else result += b[i];
            }
            else{
                if (ans[i]%2 == 0) result += b[i];
                else result += a[i];
            }
        }
    }

//    FOR(i,1,n){
//        if (ans1[i] != ans2[i]) cout << i << ": " << ans1[i] << ' ' << ans2[i] << '\n';
//    }
    cout << result;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 3 ms 16988 KB Output is correct
3 Correct 4 ms 17244 KB Output is correct
4 Correct 4 ms 17244 KB Output is correct
5 Correct 3 ms 17244 KB Output is correct
6 Correct 4 ms 17244 KB Output is correct
7 Correct 4 ms 17040 KB Output is correct
8 Correct 4 ms 17244 KB Output is correct
9 Correct 3 ms 17244 KB Output is correct
10 Correct 3 ms 16988 KB Output is correct
11 Correct 3 ms 17244 KB Output is correct
12 Correct 3 ms 17040 KB Output is correct
13 Correct 4 ms 17244 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 3 ms 16988 KB Output is correct
3 Correct 4 ms 17244 KB Output is correct
4 Correct 4 ms 17244 KB Output is correct
5 Correct 3 ms 17244 KB Output is correct
6 Correct 4 ms 17244 KB Output is correct
7 Correct 4 ms 17040 KB Output is correct
8 Correct 4 ms 17244 KB Output is correct
9 Correct 3 ms 17244 KB Output is correct
10 Correct 3 ms 16988 KB Output is correct
11 Correct 3 ms 17244 KB Output is correct
12 Correct 3 ms 17040 KB Output is correct
13 Correct 4 ms 17244 KB Output is correct
14 Correct 16 ms 18912 KB Output is correct
15 Correct 31 ms 20816 KB Output is correct
16 Correct 47 ms 23528 KB Output is correct
17 Correct 68 ms 25796 KB Output is correct
18 Correct 64 ms 25548 KB Output is correct
19 Correct 63 ms 25552 KB Output is correct
20 Correct 63 ms 25548 KB Output is correct
21 Correct 63 ms 25768 KB Output is correct
22 Correct 48 ms 24268 KB Output is correct
23 Correct 47 ms 24548 KB Output is correct
24 Correct 47 ms 24020 KB Output is correct
25 Correct 53 ms 24700 KB Output is correct
26 Correct 48 ms 22136 KB Output is correct
27 Correct 57 ms 24016 KB Output is correct
28 Correct 48 ms 23848 KB Output is correct
29 Correct 58 ms 25024 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16988 KB Output is correct
2 Correct 3 ms 16988 KB Output is correct
3 Correct 4 ms 17244 KB Output is correct
4 Correct 4 ms 17244 KB Output is correct
5 Correct 3 ms 17244 KB Output is correct
6 Correct 4 ms 17244 KB Output is correct
7 Correct 4 ms 17040 KB Output is correct
8 Correct 4 ms 17244 KB Output is correct
9 Correct 3 ms 17244 KB Output is correct
10 Correct 3 ms 16988 KB Output is correct
11 Correct 3 ms 17244 KB Output is correct
12 Correct 3 ms 17040 KB Output is correct
13 Correct 4 ms 17244 KB Output is correct
14 Correct 16 ms 18912 KB Output is correct
15 Correct 31 ms 20816 KB Output is correct
16 Correct 47 ms 23528 KB Output is correct
17 Correct 68 ms 25796 KB Output is correct
18 Correct 64 ms 25548 KB Output is correct
19 Correct 63 ms 25552 KB Output is correct
20 Correct 63 ms 25548 KB Output is correct
21 Correct 63 ms 25768 KB Output is correct
22 Correct 48 ms 24268 KB Output is correct
23 Correct 47 ms 24548 KB Output is correct
24 Correct 47 ms 24020 KB Output is correct
25 Correct 53 ms 24700 KB Output is correct
26 Correct 48 ms 22136 KB Output is correct
27 Correct 57 ms 24016 KB Output is correct
28 Correct 48 ms 23848 KB Output is correct
29 Correct 58 ms 25024 KB Output is correct
30 Correct 113 ms 26616 KB Output is correct
31 Correct 170 ms 39396 KB Output is correct
32 Correct 284 ms 46100 KB Output is correct
33 Correct 444 ms 70760 KB Output is correct
34 Correct 101 ms 25612 KB Output is correct
35 Correct 461 ms 70324 KB Output is correct
36 Correct 464 ms 71264 KB Output is correct
37 Correct 446 ms 69768 KB Output is correct
38 Correct 402 ms 71600 KB Output is correct
39 Correct 419 ms 70224 KB Output is correct
40 Correct 439 ms 72940 KB Output is correct
41 Correct 409 ms 70332 KB Output is correct
42 Correct 457 ms 70584 KB Output is correct
43 Correct 245 ms 65208 KB Output is correct
44 Correct 248 ms 66664 KB Output is correct
45 Correct 249 ms 64980 KB Output is correct
46 Correct 267 ms 61712 KB Output is correct
47 Correct 277 ms 60024 KB Output is correct
48 Correct 306 ms 58556 KB Output is correct
49 Correct 289 ms 59088 KB Output is correct