Submission #296759

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
296759	2020-09-10 21:01:22	Bruteforceman	Seats (IOI18_seats)	C++11	70 / 100	4089 ms	174616 KiB

seats

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#include "bits/stdc++.h"
#include "seats.h"
using namespace std;
const int maxn = 1e6 + 10;
vector <vector <int>> a;
vector <vector <bool>> can;
vector <int> row, col;
int h, w;
int arr[maxn];
bool inside(int x, int y) {
  return (0 <= x && x < h) && (0 <= y && y < w);
}
struct node {
  int val, cnt;
  int lazy;
  void add(int x) {
    val += x;
    lazy += x;
  }
} t[maxn * 4];
void pushdown(int c) {
  if(!t[c].lazy) return ;
  int l = c << 1;
  int r = l + 1;
  t[l].add(t[c].lazy);
  t[r].add(t[c].lazy);
  t[c].lazy = 0;
}
void build(int c = 1, int b = 0, int e = h * w - 1) {
 
 
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Compilation message (stderr)

seats.cpp: In function 'int swap_seats(int, int)':
seats.cpp:103:7: warning: unused variable 'ans' [-Wunused-variable]
  103 |   int ans = 0;
      |       ^~~

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 20 / 20
• Subtask 4: 6 / 6
• Subtask 5: 33 / 33
• Subtask 6: 0 / 30