Submission #630141

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
630141	2022-08-15 18:01:32	flashmt	Digital Circuit (IOI22_circuit)	C++17	100 / 100	1158 ms	34328 KiB

circuit

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#include <bits/stdc++.h>
#include "circuit.h"
using namespace std;
const int BASE = 1e9 + 2022;
const int N = 200200;
 
struct SegmentTree
{
  int low, mid, high;
  long long value, sum;
  int flip;
  SegmentTree *l, *r;
 
  SegmentTree(int low, int high, vector<long long> &coef, vector<int> &state): low(low), high(high)
  {
    mid = (low + high) / 2;
    value = sum = flip = 0;
    if (low == high)
    {
      l = r = NULL;
      sum = coef[low];
      value = state[low] * sum;
    }
    else
    {
      l = new SegmentTree(low, mid, coef, state);
      r = new SegmentTree(mid + 1, high, coef, state);
      sum = l->sum + r->sum;
      value = l->value + r->value;
    }
 
 
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Compilation message (stderr)

circuit.cpp: In function 'void dfsCoef(int)':
circuit.cpp:73:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |   for (int i = 0; i < size(a[x]); i++)
      |                   ~~^~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 4 / 4
• Subtask 5: 12 / 12
• Subtask 6: 27 / 27
• Subtask 7: 28 / 28
• Subtask 8: 11 / 11