oj.uz

답안 #540170

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
540170 2022-03-19T13:44:10 Z cig32 운세 보기 2 (JOI14_fortune_telling2) C++17
4 / 100
 3000 ms 3120 KB 
#include "bits/stdc++.h"
using namespace std;
const int MAXN = 2e5 + 10;
const int MOD = 1e9 + 7;
#define int long long
#define ll __int128
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
  int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
ll read() { // read int128
  int x; cin >> x; return (ll)x;
}
long long bm(long long b, long long p) {
  if(p==0) return 1 % MOD;
  long long r = bm(b, p >> 1);
  if(p&1) return (((r*r) % MOD) * b) % MOD;
  return (r*r) % MOD;
}
long long inv(long long b) { 
  return bm(b, MOD-2);
}
long long f[MAXN];
long long nCr(int n, int r) { 
  long long ans = f[n]; ans *= inv(f[r]); ans %= MOD;
  ans *= inv(f[n-r]); ans %= MOD; return ans;
}
void precomp() { 
  for(int i=0; i<MAXN; i++) f[i] = (i == 0 ? 1 % MOD : (f[i-1] * i) % MOD);
}
struct query {
  int a, b;
  int mi, ma;
};
bool cmp(query x, query y) {
  return x.ma < y.ma;
}

struct segtree {
  struct node {
    int mi, cntmi;
    int ma, cntma;
  };
  vector<node> st;
  int stok;

  void bu(int l, int r, int idx) {
    if(l == r) {
      st[idx].mi = 0;
      st[idx].ma = 0;
      st[idx].cntmi = 1;
      st[idx].cntma = 1;
      return;
    }
    int mid = (l + r) >> 1;
    bu(l, mid, 2*idx+1);
    bu(mid+1, r, 2*idx+2);
    st[idx].mi = 0, st[idx].ma = 0;
    st[idx].cntmi = st[2*idx+1].cntmi + st[2*idx+2].cntmi;
    st[idx].cntma = st[2*idx+1].cntma + st[2*idx+2].cntma;
  }

  void u(int l, int r, int tar, int idx, int val) {
    if(l == r) {
      st[idx].mi = st[idx].ma = val;
      return;
    }
    int mid = (l+r) >> 1;
    if(tar <= mid) u(l, mid, tar, 2*idx+1, val);
    else u(mid+1, r, tar, 2*idx+2, val);
    st[idx].mi = min(st[2*idx+1].mi, st[2*idx+2].mi);
    st[idx].ma = max(st[2*idx+1].ma, st[2*idx+2].ma);
    if(st[2*idx+1].mi == st[2*idx+2].mi) st[idx].cntmi = st[2*idx+1].cntmi + st[2*idx+2].cntmi;
    else st[idx].cntmi = (st[2*idx+1].mi < st[2*idx+2].mi ? st[2*idx+1].cntmi : st[2*idx+2].cntmi);
    if(st[2*idx+1].ma == st[2*idx+2].ma) st[idx].cntma = st[2*idx+1].cntma + st[2*idx+2].cntma;
    else st[idx].cntma = (st[2*idx+1].ma > st[2*idx+2].ma ? st[2*idx+1].cntma : st[2*idx+2].cntma);
  }

  int qu1(int l, int r, int constl, int constr, int idx, int val) {
    if(l <= constl && constr <= r) {
      if(st[idx].ma < val) return -1;
      while(constl < constr) {
        int mid = (constl +constr) >> 1;
        if(st[2*idx+2].ma >= val) constl = mid + 1, idx = 2*idx + 2;
        else constr = mid, idx = 2*idx + 1;
      }
      return constl;
    }
    int mid = (constl + constr) >> 1;
    if(mid < l || r <constl) return qu1(l, r, mid+1, constr, 2*idx+2, val);
    else if(constr < l || r < mid+1) return qu1(l, r, constl, mid, 2*idx+1, val);
    else {
      int res = qu1(l, r, mid+1, constr, 2*idx+2, val);
      if(res != -1) return res;
      return qu1(l, r, constl, mid, 2*idx+1, val);
    }
  }

  pair<int, int> qu2(int l, int r, int constl, int constr, int idx) {
    if(l<=constl && constr<=r) return {st[idx].mi, st[idx].cntmi};
    int mid = (constl +constr) >> 1;
    if(mid < l || r < constl) return qu2(l, r, mid+1, constr, 2*idx+2);
    else if(constr < l || r <mid+1) return qu2(l,r ,constl, mid, 2*idx+1);
    else {
      pair<int, int> lchild = qu2(l, r, constl, mid, 2*idx+1);
      pair<int, int> rchild = qu2(l, r, mid+1, constr, 2*idx+2);
      if(lchild != rchild) return min(lchild, rchild);
      else return {lchild.first, lchild.second + rchild.second};
    }
  }
  public:
  void resize(int k) {
    stok = k;
    st.resize(4*k + 10);
  }
  void build() {
    bu(1, stok, 0);
  }

  void point_update(int i, int v) {
    u(1, stok, i, 0, v);
  }
  int last_atleast(int l, int r, int v) {
    return qu1(l, r, 1, stok, 0, v);
  }
  pair<int, int> min_cnt(int l, int r) {
    return qu2(l, r, 1, stok, 0);
  }
};

void solve(int tc) {
  segtree st;
  int n, k;
  cin >> n >> k;
  int a[n+1], b[n+1]; char c[n+1];
  for(int i=1; i<=n; i++) {
    cin >> a[i] >> b[i];
    c[i] = 'a';
  }
  for(int i=1; i<=k; i++) {
    int q; cin >> q;
    for(int j=1; j<=n; j++) {
      if(c[j] == 'a') {
        if(a[j] <= q) c[j] = 'b';
      }
      else {
        if(b[j] <= q) c[j] = 'a';
      }
    }
  }
  int ans = 0;
  for(int i=1; i<=n; i++) ans += (c[i] == 'a' ? a[i] : b[i]);
  cout << ans << '\n';
}
int32_t main(){
  precomp();
  ios::sync_with_stdio(0); cin.tie(0);
  int t = 1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
} 
/*
1 3
4 6
8
2
9
*/

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1876 KB Output is correct
2 Correct 7 ms 1904 KB Output is correct
3 Correct 10 ms 1936 KB Output is correct
4 Correct 10 ms 1844 KB Output is correct
5 Correct 12 ms 1876 KB Output is correct
6 Correct 9 ms 1876 KB Output is correct
7 Correct 11 ms 1876 KB Output is correct
8 Correct 7 ms 1876 KB Output is correct
9 Correct 4 ms 1848 KB Output is correct
10 Correct 4 ms 1904 KB Output is correct
11 Correct 10 ms 1904 KB Output is correct
12 Correct 10 ms 1932 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1876 KB Output is correct
2 Correct 7 ms 1904 KB Output is correct
3 Correct 10 ms 1936 KB Output is correct
4 Correct 10 ms 1844 KB Output is correct
5 Correct 12 ms 1876 KB Output is correct
6 Correct 9 ms 1876 KB Output is correct
7 Correct 11 ms 1876 KB Output is correct
8 Correct 7 ms 1876 KB Output is correct
9 Correct 4 ms 1848 KB Output is correct
10 Correct 4 ms 1904 KB Output is correct
11 Correct 10 ms 1904 KB Output is correct
12 Correct 10 ms 1932 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 750 ms 2328 KB Output is correct
15 Correct 2932 ms 2852 KB Output is correct
16 Execution timed out 3068 ms 3120 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1876 KB Output is correct
2 Correct 7 ms 1904 KB Output is correct
3 Correct 10 ms 1936 KB Output is correct
4 Correct 10 ms 1844 KB Output is correct
5 Correct 12 ms 1876 KB Output is correct
6 Correct 9 ms 1876 KB Output is correct
7 Correct 11 ms 1876 KB Output is correct
8 Correct 7 ms 1876 KB Output is correct
9 Correct 4 ms 1848 KB Output is correct
10 Correct 4 ms 1904 KB Output is correct
11 Correct 10 ms 1904 KB Output is correct
12 Correct 10 ms 1932 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 750 ms 2328 KB Output is correct
15 Correct 2932 ms 2852 KB Output is correct
16 Execution timed out 3068 ms 3120 KB Time limit exceeded
17 Halted 0 ms 0 KB -