oj.uz

Submission #51295

# Submission time Handle Problem Language Result Execution time Memory
51295 2018-06-17T12:15:24 Z BrunoPloumhans CATS (NOI14_cats) C++14
4 / 25
 1500 ms 1368 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

int popcount(int x) {
  int ans = 0;
  while(x != 0) {
    ans += (x&1);
    x >>= 1;
  }
  return ans;
}

int greed(int x, int l, int n) {
  int period = (l+2*n-1)/(2*n)*4;
  x %= period;
  //cout << x << " " << period << endl;
  return (l+2*n-1)/(2*n)*2*n+popcount(x)%2;
}

int simulate(int x, int l, int n) {
  vector<int> st1(10000, 0);
  int period = (l+2*n-1)/(2*n)*4;
  x %= period;
  int t2;
  int counter = x+1;
  while(counter > 0) {
    t2 = st1.back();
    st1.pop_back();
    for(int& i : st1) i ^= 1;
    if(t2 > l) {
      --counter;
      //cout << counter << ": " << t2 << endl;
    } else {
      t2 += 2*n;
      st1.push_back(t2);
      st1.push_back(t2);
    }
  }
  return t2;
}

signed main() {
  int q;
  cin >> q;
  while(q--) {
    int x, l, n;
    cin >> x >> l >> n; --x;
    cout << simulate(x, l, n) /*<< " " << greed(x, l, n)*/ << '\n';
  }
  return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 564 KB Output is correct
3 Correct 2 ms 664 KB Output is correct
4 Correct 2 ms 664 KB Output is correct
5 Correct 2 ms 664 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 664 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 223 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1574 ms 1000 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1555 ms 1264 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1566 ms 1368 KB Time limit exceeded
2 Halted 0 ms 0 KB -