Submission #932996

# Submission time Handle Problem Language Result Execution time Memory
932996 2024-02-24T17:52:51 Z stefanneagu Schools (IZhO13_school) C++17
5 / 100
73 ms 10064 KB
#include <bits/stdc++.h>
using namespace std;

const int nmax = 1e5 + 1;

int f[nmax];

struct str {
  int a, b, i; // iarasi ichb gipsy trap idol in str
} v[nmax], init[nmax];

bool ca(str x, str y) {
  return x.a > y.a;
}

bool cb(str x, str y) {
  return x.b > y.b;
}

int main() {
  int n, ka, kb;
  cin >> n >> ka >> kb;
  multiset<pair<int, int>> ra, rb, a, b;
  for(int i = 1; i <= n; i ++) {
    cin >> v[i].a >> v[i].b;
    v[i].i = i;
    init[i] = v[i];
  }
  sort(v + 1, v + n + 1, ca);
  for(int i = 1; i <= ka; i ++) {
    a.insert({-v[i].a, v[i].i});
    f[v[i].i] ++;
  }
  for(int i = ka + 1; i <= n; i ++) {
    ra.insert({-v[i].a, v[i].i});
  }
  sort(v + 1, v + n + 1, cb);
  for(int i = 1; i <= kb; i ++) {
    b.insert({-v[i].b, v[i].i});
    f[v[i].i] ++;
  }
  for(int i = kb + 1; i <= n; i ++) {
    rb.insert({-v[i].b, v[i].i});
  }
while(true) {
    bool ac = 0;
    auto it = a.begin();
    while(it != a.end()) {
      int i = (*it).second, x = (*it).first;
      if(b.find({-init[i].b, i}) == b.end()) {
        it ++;
        continue;
      }
      ac = 1;
      if(!rb.size()) {
        auto cp = it;
        it ++;
        a.erase(a.lower_bound(*cp));
        a.insert((*ra.begin()));
        ra.erase(ra.lower_bound(*ra.begin()));
        continue;
      }
      if(!ra.size()) {
        b.erase(b.lower_bound({-init[i].b, i}));
        b.insert((*rb.begin()));
        rb.erase(rb.lower_bound(*rb.begin()));
        it ++;
        continue;
      }
      int na = (*ra.begin()).second,  nb = (*rb.begin()).second;
      if(init[i].a + init[nb].b > init[i].b + init[na].a) {
        // eliminam b-ul, adaugam b nou
        b.erase(b.lower_bound({-init[i].b, i}));
        b.insert((*rb.begin()));
        rb.erase(rb.lower_bound((*rb.begin())));
        it ++;
      } else if(init[i].a + init[nb].b < init[i].b + init[na].a){
        auto cp = it;
        it ++;
        a.erase(a.lower_bound(*cp));
        a.insert((*ra.begin()));
        ra.erase(ra.lower_bound(*ra.begin()));
      } else {
        if(a.find({-init[nb].a, nb}) == a.end()) {
            b.erase(b.lower_bound({-init[i].b, i}));
            b.insert((*rb.begin()));
            rb.erase(rb.lower_bound((*rb.begin())));
            it ++;
        } else if(b.find({-init[na].b, na}) == b.end()) {
             auto cp = it;
            it ++;
            a.erase(a.lower_bound(*cp));
            a.insert((*ra.begin()));
            ra.erase(ra.lower_bound(*ra.begin()));
        }
      }
    }
    // cout << ac << '\n';
    if(ac == 0) {
      break;
    }
  }
  // cout << "a:\n";
  long long ans = 0;
  for(auto it : a) {
    ans += it.first;
    // cout << it.first << " " << it.second << "\n";
  }
  // cout << "\nb:\n";
  for(auto it : b) {
    ans += it.first;
    // cout << it.first << " " << it.second << '\n';
  }
  cout << -ans;
  return 0;
}

Compilation message

school.cpp: In function 'int main()':
school.cpp:49:29: warning: unused variable 'x' [-Wunused-variable]
   49 |       int i = (*it).second, x = (*it).first;
      |                             ^
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Correct 1 ms 2396 KB Output is correct
3 Incorrect 1 ms 2396 KB Output isn't correct
4 Incorrect 1 ms 2396 KB Output isn't correct
5 Incorrect 1 ms 2396 KB Output isn't correct
6 Incorrect 1 ms 2392 KB Output isn't correct
7 Incorrect 4 ms 2904 KB Output isn't correct
8 Incorrect 50 ms 2908 KB Output isn't correct
9 Incorrect 10 ms 2792 KB Output isn't correct
10 Incorrect 5 ms 2908 KB Output isn't correct
11 Incorrect 4 ms 2908 KB Output isn't correct
12 Incorrect 4 ms 2908 KB Output isn't correct
13 Incorrect 73 ms 6156 KB Output isn't correct
14 Incorrect 62 ms 10064 KB Output isn't correct
15 Runtime error 53 ms 5964 KB Execution killed with signal 11
16 Runtime error 52 ms 5972 KB Execution killed with signal 11
17 Runtime error 62 ms 5964 KB Execution killed with signal 11
18 Runtime error 54 ms 5968 KB Execution killed with signal 11
19 Runtime error 62 ms 5976 KB Execution killed with signal 11
20 Runtime error 53 ms 5920 KB Execution killed with signal 11