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답안 #137415

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
137415 2019-07-27T17:11:43 Z MladenP 운세 보기 2 (JOI14_fortune_telling2) C++17
4 / 100
 67 ms 3828 KB 
#include<bits/stdc++.h>
#define STIZE(x) fprintf(stderr, "STIZE%d\n", x);
#define PRINT(x) fprintf(stderr, "%s = %d\n", #x, x);
#define NL(x) printf("%c", " \n"[(x)]);
#define lld long long
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second
#define mid (l+r)/2
#define endl '\n'
#define all(a) begin(a),end(a)
#define sz(a) int((a).size())
#define LINF 1000000000000000LL
#define INF 1000000000
#define EPS 1e-9
using namespace std;
#define MAXN 200010
lld N, K, a[MAXN], b[MAXN], t[MAXN];
lld seg[4*MAXN];
void update(int node, int l, int r, int idx, lld val) {
    if(l == r) {
        seg[node] = val;
        return;
    }
    if(idx <= mid) update(2*node, l, mid, idx, val);
    else update(2*node+1, mid+1, r, idx, val);
    seg[node] = max(seg[2*node], seg[2*node+1]);
}
lld query(int node, int l, int r, int L, int R) {
    if(r < l || R < L || r < L || R < l) return 0;
    if(L <= l && r <= R) return seg[node];
    lld rez = 0;
    if(L <= mid) rez = max(rez, query(2*node, l, mid, L, R));
    if(R > mid) rez = max(rez, query(2*node+1, mid+1, r, L, R));
    return rez;
}
lld bit[MAXN];
void update(int idx, lld val) {
    while(idx < MAXN) {
        bit[idx] += val;
        idx += idx&-idx;
    }
}
lld query(int idx) {
    lld rez = 0;
    while(idx) {
        rez += bit[idx];
        idx -= idx&-idx;
    }
    return rez;
}
vector<pii> T, B;
int bsL(int key) {
    int l = 1, r = K, rez = K+1;
    while(l <= r) {
        if(T[mid].fi >= key) rez = mid, r = mid-1;
        else l = mid+1;
    }
    return rez;
}
int bsR(int key) {
    int l = 1, r = K, rez = 0;
    while(l <= r) {
        if(T[mid].fi <= key) rez = mid, l = mid+1;
        else r = mid-1;
    }
    return rez;
}
int sred[MAXN];
int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cerr.tie(0);
    cin >> N >> K;
    for(int i = 1; i <= N; i++) cin >> a[i] >> b[i];
    for(int i = 1; i <= K; i++) cin >> t[i];
    T.pb({-INF, -INF}); B.pb({-INF, -INF});
    for(int i = 1; i <= N; i++) B.pb({max(a[i], b[i]), i});
    for(int i = 1; i <= K; i++) T.pb({t[i], i});
    sort(all(T));
    sort(all(B));
    for(int i = 1; i <= K; i++) {
        update(1, 1, K, i, T[i].se);
    }
    lld rez = 0;
    for(int i = 1; i <= N; i++) {
        int L = bsL(min(a[i], b[i])), R = bsR(max(a[i], b[i])-1);
        sred[i] = query(1, 1, K, L, R);
    }
    int cb = N, ct = K;
    while(cb > 0 || ct > 0) {
        int mode;
        if(cb == 0) mode = 0;
        else if(ct == 0) mode = 1;
        else mode = (B[cb] > T[ct]);
        if(mode == 0) {
            update(T[ct].se, +1);
            ct--;
        } else {
            lld vece = (query(MAXN-1)-query(sred[B[cb].se]))%2;
            int idx = B[cb].se;
            if(sred[idx] == 0) {
                if(vece == 1) rez += b[idx];
                else rez += a[idx];
            } else {
                if(vece == 1) rez += min(a[idx], b[idx]);
                else rez += max(a[idx], b[idx]);
            }
            cb--;
        }
    }
    cout << rez << endl;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 508 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 508 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 16 ms 1400 KB Output is correct
15 Correct 33 ms 2316 KB Output is correct
16 Correct 50 ms 2688 KB Output is correct
17 Correct 67 ms 3668 KB Output is correct
18 Correct 64 ms 3672 KB Output is correct
19 Correct 65 ms 3700 KB Output is correct
20 Correct 63 ms 3672 KB Output is correct
21 Correct 61 ms 3700 KB Output is correct
22 Correct 44 ms 3696 KB Output is correct
23 Correct 45 ms 3692 KB Output is correct
24 Correct 45 ms 3828 KB Output is correct
25 Correct 43 ms 3668 KB Output is correct
26 Correct 48 ms 3568 KB Output is correct
27 Correct 58 ms 3800 KB Output is correct
28 Correct 53 ms 3824 KB Output is correct
29 Incorrect 51 ms 3792 KB Output isn't correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 508 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 16 ms 1400 KB Output is correct
15 Correct 33 ms 2316 KB Output is correct
16 Correct 50 ms 2688 KB Output is correct
17 Correct 67 ms 3668 KB Output is correct
18 Correct 64 ms 3672 KB Output is correct
19 Correct 65 ms 3700 KB Output is correct
20 Correct 63 ms 3672 KB Output is correct
21 Correct 61 ms 3700 KB Output is correct
22 Correct 44 ms 3696 KB Output is correct
23 Correct 45 ms 3692 KB Output is correct
24 Correct 45 ms 3828 KB Output is correct
25 Correct 43 ms 3668 KB Output is correct
26 Correct 48 ms 3568 KB Output is correct
27 Correct 58 ms 3800 KB Output is correct
28 Correct 53 ms 3824 KB Output is correct
29 Incorrect 51 ms 3792 KB Output isn't correct