Submission #384937

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
384937	2021-04-02 17:13:48	arman_ferdous	Mechanical Doll (IOI18_doll)	C++17	37 / 100	134 ms	11820 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
#define sz(v) (int)v.size()
const int M = (1 << 19);
int x[M], y[M], cnt[M], maxSwitch;
void build(int u, int L, int R) {
  maxSwitch = max(maxSwitch, u);
  cnt[u] = 0;
  if(L == R) return;
  int mid = L + R >> 1, lc = u << 1, rc = lc | 1;
  x[u] = lc, y[u] = rc;
  build(lc, L, mid); build(rc, mid + 1, R);
}
void insert(int u, int L, int R, int nxt) {
  if(L == R) {
    if(~cnt[u] & 1) x[u] = -nxt;
    else y[u] = -nxt;
    cnt[u] ^= 1;
    return;
  } int mid = L + R >> 1, lc = u << 1, rc = lc | 1;
  if(~cnt[u] & 1) {
    cnt[u] ^= 1;
 
 
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Compilation message (stderr)

doll.cpp: In function 'void build(int, int, int)':
doll.cpp:16:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   16 |   int mid = L + R >> 1, lc = u << 1, rc = lc | 1;
      |             ~~^~~
doll.cpp: In function 'void insert(int, int, int, int)':
doll.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |   } int mid = L + R >> 1, lc = u << 1, rc = lc | 1;
      |               ~~^~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9 / 18
• Subtask 6: 28 / 56