Submission #372846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
372846	2021-03-02 01:56:19	errorgorn	Game (IOI13_game)	C++17	100 / 100	2801 ms	48620 KiB

game

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "game.h"
#include <cstdio>
#include <utility>
using namespace std;
typedef pair<int,int> ii;
 
inline long long func(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}
 
ii lca(int l,int r,int pos){ //find lca of 2 nodes
  if (pos<l){
    int p=32-__builtin_clz(pos^l);
    int lp=(pos>>p)<<p;
    return ii(lp,lp+(1<<p)-1);
  }
  if (r<pos){
    int p=32-__builtin_clz(r^pos);
    int lp=(l>>p)<<p;
    return ii(lp,lp+(1<<p)-1);
  }
}
 
struct node{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

game.cpp: In constructor 'node::node(int, int)':
game.cpp:36:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   36 |         s=_s,e=_e,m=s+e>>1;
      |                     ~^~
game.cpp: In constructor 'node2d::node2d(int, int)':
game.cpp:94:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   94 |         s=_s,e=_e,m=s+e>>1;
      |                     ~^~
game.cpp: In function 'ii lca(int, int, int)':
game.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type]
   28 | }
      | ^

• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 26 / 26
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20