Submission #1056331

#	Time	Username	Problem	Language	Result	Execution time	Memory
1056331		Minbaev	Secret (JOI14_secret)	C++17	0 / 100	266 ms	4180 KiB

secret

#include "secret.h"

using namespace std;

const int Y = 1005;

int t[Y*4], a[Y], n;

void build(int tl, int tr, int v){
	if(tl == tr){
		t[v] = a[tl];
		return;
	}
	int tm = tr + tl >> 1;
	
	build(tl,tm,v << 1);
	build(tm+1,tr,v << 1 | 1);
	t[v] = Secret(t[v << 1], t[v >> 1 | 1]);
}
 
int get(int tl, int tr, int v, int l, int r){
	if(l <= tl && tr <= r){
		return t[v];
	}
	int tm = tr + tl >> 1;
	
	if(tm < l)return get(tm+1,tr,v << 1 | 1,l,r);
	if(tm + 1 > r)return get(tl,tm,v << 1,l,r);
	
	return Secret(get(tm+1,tr,v << 1 | 1,l,r), get(tl,tm,v << 1,l,r));
}

void Init(int N, int A[]){
    n = N;
    for(int i = 0; i < n; ++i) a[i] = A[i];
    build(0, n - 1, 1);
 
}
int Query(int l, int r){
    return get(0, n - 1, 1, l, r);
}

Compilation message (stderr)

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:14:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   14 |  int tm = tr + tl >> 1;
      |           ~~~^~~~
secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:25:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   25 |  int tm = tr + tl >> 1;
      |           ~~~^~~~

• Subtask 1: 0 / 100