Submission #42246

# Submission time Handle Problem Language Result Execution time Memory
42246 2018-02-23T22:24:23 Z yusufake The Big Prize (IOI17_prize) C++
100 / 100
24 ms 2024 KB
#include<bits/stdc++.h> 
using namespace std; 
#include "prize.h"
 
#define _ int v, int tl, int tr, int l, int r
#define tm (tl + tr >> 1)
#define sol v+v,tl,tm,l,r 
#define sag v+v+1,tm+1,tr,l,r 
 
#define mp make_pair 
#define pb push_back 
#define st first 
#define nd second 
 
typedef long long ll; 
typedef pair < int , int > pp; 
const int mod = 1e9 + 7; 
const int N   = 2e5 + 5; 
 
int ans=-1;
 
void f(int l, int r, vector < int > x, vector < int > y){
	int m = l+r >> 1;
	if(ans != -1) return;
	if(x[0] + x[1] == 0) { ans = l; return; }
	if(y[0] + y[1] == 0) { ans = r; return; }
	if(l >= r-1) return;
	if(x[0] + x[1] == y[0] + y[1] && x[1] == y[1]) return; 
	if(x[0] + x[1] < y[0] + y[1]) { f(l+1,r,ask(l+1),y); return; }
    if(x[0] + x[1] > y[0] + y[1]) { f(l,r-1,x,ask(r-1)); return; }
    
	vector < int > a = ask(m);
	f(l,m,x,a); f(m,r,a,y);
}
 
int find_best(int n){
	vector < int > x = ask(0);
    vector < int > y = ask(n-1);
    f(0,n-1,x,y);
	return ans;
}

Compilation message

prize.cpp: In function 'void f(int, int, std::vector<int>, std::vector<int>)':
prize.cpp:23:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = l+r >> 1;
           ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 1 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 1 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 0 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2024 KB Output is correct
2 Correct 1 ms 2024 KB Output is correct
3 Correct 0 ms 2024 KB Output is correct
4 Correct 0 ms 2024 KB Output is correct
5 Correct 1 ms 2024 KB Output is correct
6 Correct 0 ms 2024 KB Output is correct
7 Correct 0 ms 2024 KB Output is correct
8 Correct 1 ms 2024 KB Output is correct
9 Correct 0 ms 2024 KB Output is correct
10 Correct 0 ms 2024 KB Output is correct
11 Correct 3 ms 2024 KB Output is correct
12 Correct 0 ms 2024 KB Output is correct
13 Correct 7 ms 2024 KB Output is correct
14 Correct 3 ms 2024 KB Output is correct
15 Correct 3 ms 2024 KB Output is correct
16 Correct 7 ms 2024 KB Output is correct
17 Correct 1 ms 2024 KB Output is correct
18 Correct 6 ms 2024 KB Output is correct
19 Correct 0 ms 2024 KB Output is correct
20 Correct 2 ms 2024 KB Output is correct
21 Correct 5 ms 2024 KB Output is correct
22 Correct 2 ms 2024 KB Output is correct
23 Correct 1 ms 2024 KB Output is correct
24 Correct 1 ms 2024 KB Output is correct
25 Correct 3 ms 2024 KB Output is correct
26 Correct 5 ms 2024 KB Output is correct
27 Correct 1 ms 2024 KB Output is correct
28 Correct 17 ms 2024 KB Output is correct
29 Correct 10 ms 2024 KB Output is correct
30 Correct 16 ms 2024 KB Output is correct
31 Correct 0 ms 2024 KB Output is correct
32 Correct 5 ms 2024 KB Output is correct
33 Correct 0 ms 2024 KB Output is correct
34 Correct 6 ms 2024 KB Output is correct
35 Correct 3 ms 2024 KB Output is correct
36 Correct 4 ms 2024 KB Output is correct
37 Correct 0 ms 2024 KB Output is correct
38 Correct 0 ms 2024 KB Output is correct
39 Correct 5 ms 2024 KB Output is correct
40 Correct 22 ms 2024 KB Output is correct
41 Correct 10 ms 2024 KB Output is correct
42 Correct 6 ms 2024 KB Output is correct
43 Correct 11 ms 2024 KB Output is correct
44 Correct 6 ms 2024 KB Output is correct
45 Correct 2 ms 2024 KB Output is correct
46 Correct 0 ms 2024 KB Output is correct
47 Correct 3 ms 2024 KB Output is correct
48 Correct 24 ms 2024 KB Output is correct
49 Correct 0 ms 2024 KB Output is correct
50 Correct 3 ms 2024 KB Output is correct
51 Correct 10 ms 2024 KB Output is correct
52 Correct 0 ms 2024 KB Output is correct
53 Correct 2 ms 2024 KB Output is correct
54 Correct 4 ms 2024 KB Output is correct
55 Correct 0 ms 2024 KB Output is correct
56 Correct 19 ms 2024 KB Output is correct
57 Correct 3 ms 2024 KB Output is correct
58 Correct 3 ms 2024 KB Output is correct
59 Correct 6 ms 2024 KB Output is correct
60 Correct 3 ms 2024 KB Output is correct
61 Correct 0 ms 2024 KB Output is correct
62 Correct 1 ms 2024 KB Output is correct
63 Correct 4 ms 2024 KB Output is correct
64 Correct 2 ms 2024 KB Output is correct
65 Correct 0 ms 2024 KB Output is correct
66 Correct 0 ms 2024 KB Output is correct
67 Correct 1 ms 2024 KB Output is correct
68 Correct 1 ms 2024 KB Output is correct
69 Correct 0 ms 2024 KB Output is correct
70 Correct 6 ms 2024 KB Output is correct
71 Correct 13 ms 2024 KB Output is correct
72 Correct 2 ms 2024 KB Output is correct
73 Correct 1 ms 2024 KB Output is correct
74 Correct 11 ms 2024 KB Output is correct
75 Correct 3 ms 2024 KB Output is correct
76 Correct 17 ms 2024 KB Output is correct
77 Correct 12 ms 2024 KB Output is correct
78 Correct 3 ms 2024 KB Output is correct
79 Correct 4 ms 2024 KB Output is correct
80 Correct 0 ms 2024 KB Output is correct
81 Correct 17 ms 2024 KB Output is correct
82 Correct 13 ms 2024 KB Output is correct
83 Correct 1 ms 2024 KB Output is correct
84 Correct 3 ms 2024 KB Output is correct
85 Correct 16 ms 2024 KB Output is correct
86 Correct 0 ms 2024 KB Output is correct
87 Correct 2 ms 2024 KB Output is correct
88 Correct 0 ms 2024 KB Output is correct
89 Correct 1 ms 2024 KB Output is correct
90 Correct 1 ms 2024 KB Output is correct
91 Correct 1 ms 2024 KB Output is correct
92 Correct 1 ms 2024 KB Output is correct
93 Correct 4 ms 2024 KB Output is correct
94 Correct 1 ms 2024 KB Output is correct
95 Correct 1 ms 2024 KB Output is correct
96 Correct 5 ms 2024 KB Output is correct
97 Correct 1 ms 2024 KB Output is correct