oj.uz

답안 #311353

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
311353 2020-10-10T01:03:09 Z caoash Regions (IOI09_regions) C++14
18 / 100
 1412 ms 131076 KB 
#include <bits/stdc++.h> 
using namespace std;

using ll = long long;

using vi = vector<int>;
using vl = vector<ll>;
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()

using pi = pair<int,int>;
#define f first
#define s second
#define mp make_pair

const int MX = 200005;
const int MOD = (int) (1e9 + 7);
const ll INF = (ll) 1e18;

namespace output {
  void pr(int x) {
    cout << x;
  }
  void pr(long x) {
    cout << x;
  }
  void pr(ll x) {
    cout << x;
  }
  void pr(unsigned x) {
    cout << x;
  }
  void pr(unsigned long x) {
    cout << x;
  }
  void pr(unsigned long long x) {
    cout << x;
  }
  void pr(float x) {
    cout << x;
  }
  void pr(double x) {
    cout << x;
  }
  void pr(long double x) {
    cout << x;
  }
  void pr(char x) {
    cout << x;
  }
  void pr(const char * x) {
    cout << x;
  }
  void pr(const string & x) {
    cout << x;
  }
  void pr(bool x) {
    pr(x ? "true" : "false");
  }

  template < class T1, class T2 > void pr(const pair < T1, T2 > & x);
  template < class T > void pr(const T & x);

  template < class T, class...Ts > void pr(const T & t,
    const Ts & ...ts) {
    pr(t);
    pr(ts...);
  }
  template < class T1, class T2 > void pr(const pair < T1, T2 > & x) {
    pr("{", x.f, ", ", x.s, "}");
  }
  template < class T > void pr(const T & x) {
    pr("{"); // const iterator needed for vector<bool>
    bool fst = 1;
    for (const auto & a: x) pr(!fst ? ", " : "", a), fst = 0;
    pr("}");
  }

  void ps() {
    pr("\n");
  } // print w/ spaces
  template < class T, class...Ts > void ps(const T & t,
    const Ts & ...ts) {
    pr(t);
    if (sizeof...(ts)) pr(" ");
    ps(ts...);
  }

  void pc() {
    cout << "]" << endl;
  } // debug w/ commas
  template < class T, class...Ts > void pc(const T & t,
    const Ts & ...ts) {
    pr(t);
    if (sizeof...(ts)) pr(", ");
    pc(ts...);
  }
  #define dbg(x...) pr("[", #x, "] = ["), pc(x);
}

#ifdef LOCAL
using namespace output;
#endif

vi adj[MX];
int nr[MX];
int p[MX];
map<pi, int> ans;
map<int, int> vals[MX];

void mrg(map<int, int> &v1, map<int, int> &v2) {
    for (auto x : v2) v1[x.f] += x.s;
}

void dfs(int v, int p) {
    vals[v][nr[v]]++; 
    for (int to : adj[v]) {
        if (to != p) {
            dfs(to, v);
            mrg(vals[v], vals[to]);
        }
    }
    // dbg(v, vals[v]);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, r, q; cin >> n >> r >> q;
    cin >> nr[0];
    for (int i = 1; i < n; i++) cin >> p[i] >> nr[i];
    for (int i = 1; i < n; i++) {
        // dbg(i, p[i]);
        // dbg(p[i] - 1, i);
        adj[p[i] - 1].pb(i);
    }
    dfs(0, -1);
    for (int i = 0; i < n; i++) {
        for (auto x : vals[i]) {
            ans[mp(nr[i], x.f)] += x.s;
        }
    }
    for (int i = 0; i < q; i++) {
        int qu, qv; cin >> qu >> qv;
        cout << ans[mp(qu, qv)] << endl;
    }
}

Subtask #1
13.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14464 KB Output is correct
2 Correct 10 ms 14464 KB Output is correct
3 Correct 11 ms 14464 KB Output is correct
4 Correct 14 ms 14464 KB Output is correct
5 Correct 18 ms 14976 KB Output is correct
6 Correct 69 ms 24312 KB Output is correct
7 Correct 53 ms 16760 KB Output is correct
8 Correct 57 ms 20072 KB Output is correct
9 Correct 415 ms 86904 KB Output is correct
10 Correct 182 ms 33532 KB Output is correct
11 Correct 319 ms 51576 KB Output is correct
12 Runtime error 317 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
13 Correct 213 ms 27004 KB Output is correct
14 Correct 322 ms 42488 KB Output is correct
15 Runtime error 304 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #2
5.0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 315 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Correct 1412 ms 128504 KB Output is correct
3 Runtime error 314 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Runtime error 354 ms 131072 KB Execution killed with signal 9 (could be triggered by violating memory limits)
5 Runtime error 317 ms 131072 KB Execution killed with signal 9 (could be triggered by violating memory limits)
6 Runtime error 334 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
7 Runtime error 334 ms 131072 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Runtime error 328 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
9 Runtime error 347 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
10 Runtime error 333 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
11 Runtime error 386 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
12 Runtime error 351 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
13 Runtime error 353 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
14 Runtime error 362 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
15 Runtime error 351 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Runtime error 300 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)
17 Runtime error 357 ms 131076 KB Execution killed with signal 9 (could be triggered by violating memory limits)