#include "bits/stdc++.h"
#include "prize.h"
#define MAXN 200009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x) cerr<< #x <<" = "<< x<<endl;
#define left cep
#define right sag
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<=b){a=b;return 1;}return 0;}
int n;
const int c=450;
//~ int arr[MAXN],query=0;
//~ int left[MAXN],right[MAXN],cnt[123];
//~ vector<int>ask(int x){
//~ query++;
//~ vector<int>res(2,0);
//~ assert(res[0]+res[1]==0);
//~ res[0]=left[x];
//~ res[1]=right[x];
//~ return res;
//~ }
int find_best(int N){
n=N;
int mx=0,who;
vector<int>res,tmp;
for(int i=0;i<min(n,500);i++){
res=ask(i);
if(res[0]+res[1]==0)
return i;
if(umax(mx,res[0]+res[1]))
who=i;
}who++;
while(who<n){
tmp=ask(who);
if(tmp[0]+tmp[1]==0)
return who;
if(tmp[0]+tmp[1]<mx){
who++;
continue;
}
while(who+c<n and ask(who+c)==tmp)
who+=c;
int st=who+1,en=n-1,pos=who;
while(st<=en){
int mid=(st+en)/2;
res=ask(mid);
if(res!=tmp)
en=mid-1;
else{
pos=mid;
st=mid+1;
}
}
who=pos+1;
}
return -1;
}
//~ int main(){
//~ freopen("file.in", "r", stdin);
//~ int N;
//~ scanf("%d",&N);
//~ for(int i=0;i<N;i++)
//~ scanf("%d",arr+i);
//~ for(int i=0;i<N;i++){
//~ for(int j=1;j<arr[i];j++)
//~ left[i]+=cnt[j];
//~ cnt[arr[i]]++;
//~ }
//~ memset(cnt,0,sizeof cnt);
//~ for(int i=N-1;i>=0;i--){
//~ for(int j=1;j<arr[i];j++)
//~ right[i]+=cnt[j];
//~ cnt[arr[i]]++;
//~ }
//~ int ans=find_best(N);
//~ assert(arr[ans]==1);
//~ printf("%d\n",ans);
//~ debug(query);
//~ return 0;
//~ }
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:45:6: warning: 'who' may be used uninitialized in this function [-Wmaybe-uninitialized]
}who++;
~~~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
288 KB |
Output is correct |
| 2 |
Correct |
13 ms |
336 KB |
Output is correct |
| 3 |
Correct |
12 ms |
388 KB |
Output is correct |
| 4 |
Correct |
7 ms |
408 KB |
Output is correct |
| 5 |
Correct |
6 ms |
408 KB |
Output is correct |
| 6 |
Correct |
4 ms |
536 KB |
Output is correct |
| 7 |
Correct |
6 ms |
536 KB |
Output is correct |
| 8 |
Correct |
11 ms |
552 KB |
Output is correct |
| 9 |
Correct |
8 ms |
552 KB |
Output is correct |
| 10 |
Correct |
10 ms |
552 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
552 KB |
Output is correct |
| 2 |
Correct |
14 ms |
552 KB |
Output is correct |
| 3 |
Correct |
12 ms |
552 KB |
Output is correct |
| 4 |
Correct |
6 ms |
552 KB |
Output is correct |
| 5 |
Correct |
6 ms |
552 KB |
Output is correct |
| 6 |
Correct |
2 ms |
552 KB |
Output is correct |
| 7 |
Correct |
6 ms |
552 KB |
Output is correct |
| 8 |
Correct |
15 ms |
552 KB |
Output is correct |
| 9 |
Correct |
11 ms |
552 KB |
Output is correct |
| 10 |
Correct |
16 ms |
552 KB |
Output is correct |
| 11 |
Correct |
16 ms |
552 KB |
Output is correct |
| 12 |
Correct |
5 ms |
552 KB |
Output is correct |
| 13 |
Correct |
27 ms |
552 KB |
Output is correct |
| 14 |
Correct |
15 ms |
556 KB |
Output is correct |
| 15 |
Correct |
12 ms |
556 KB |
Output is correct |
| 16 |
Partially correct |
62 ms |
556 KB |
Partially correct - number of queries: 8204 |
| 17 |
Correct |
5 ms |
556 KB |
Output is correct |
| 18 |
Partially correct |
110 ms |
556 KB |
Partially correct - number of queries: 9561 |
| 19 |
Correct |
4 ms |
560 KB |
Output is correct |
| 20 |
Correct |
37 ms |
560 KB |
Output is correct |
| 21 |
Correct |
34 ms |
560 KB |
Output is correct |
| 22 |
Correct |
11 ms |
560 KB |
Output is correct |
| 23 |
Correct |
8 ms |
560 KB |
Output is correct |
| 24 |
Correct |
6 ms |
560 KB |
Output is correct |
| 25 |
Partially correct |
39 ms |
560 KB |
Partially correct - number of queries: 5711 |
| 26 |
Partially correct |
58 ms |
560 KB |
Partially correct - number of queries: 5632 |
| 27 |
Correct |
6 ms |
560 KB |
Output is correct |
| 28 |
Partially correct |
70 ms |
560 KB |
Partially correct - number of queries: 9335 |
| 29 |
Partially correct |
66 ms |
560 KB |
Partially correct - number of queries: 7260 |
| 30 |
Partially correct |
84 ms |
560 KB |
Partially correct - number of queries: 9499 |
| 31 |
Correct |
5 ms |
560 KB |
Output is correct |
| 32 |
Correct |
11 ms |
560 KB |
Output is correct |
| 33 |
Correct |
2 ms |
560 KB |
Output is correct |
| 34 |
Correct |
29 ms |
560 KB |
Output is correct |
| 35 |
Correct |
6 ms |
560 KB |
Output is correct |
| 36 |
Correct |
19 ms |
560 KB |
Output is correct |
| 37 |
Correct |
12 ms |
560 KB |
Output is correct |
| 38 |
Correct |
6 ms |
560 KB |
Output is correct |
| 39 |
Correct |
44 ms |
560 KB |
Output is correct |
| 40 |
Partially correct |
97 ms |
560 KB |
Partially correct - number of queries: 8561 |
| 41 |
Partially correct |
29 ms |
560 KB |
Partially correct - number of queries: 5897 |
| 42 |
Partially correct |
30 ms |
560 KB |
Partially correct - number of queries: 5897 |
| 43 |
Partially correct |
39 ms |
560 KB |
Partially correct - number of queries: 5370 |
| 44 |
Correct |
35 ms |
560 KB |
Output is correct |
| 45 |
Correct |
40 ms |
560 KB |
Output is correct |
| 46 |
Correct |
5 ms |
560 KB |
Output is correct |
| 47 |
Correct |
55 ms |
560 KB |
Output is correct |
| 48 |
Partially correct |
80 ms |
560 KB |
Partially correct - number of queries: 7181 |
| 49 |
Correct |
20 ms |
560 KB |
Output is correct |
| 50 |
Partially correct |
80 ms |
560 KB |
Partially correct - number of queries: 9558 |
| 51 |
Correct |
50 ms |
560 KB |
Output is correct |
| 52 |
Correct |
8 ms |
560 KB |
Output is correct |
| 53 |
Correct |
15 ms |
560 KB |
Output is correct |
| 54 |
Correct |
31 ms |
560 KB |
Output is correct |
| 55 |
Correct |
7 ms |
560 KB |
Output is correct |
| 56 |
Partially correct |
74 ms |
572 KB |
Partially correct - number of queries: 9560 |
| 57 |
Partially correct |
56 ms |
572 KB |
Partially correct - number of queries: 7098 |
| 58 |
Partially correct |
89 ms |
572 KB |
Partially correct - number of queries: 7210 |
| 59 |
Partially correct |
63 ms |
572 KB |
Partially correct - number of queries: 5897 |
| 60 |
Partially correct |
35 ms |
572 KB |
Partially correct - number of queries: 5508 |
| 61 |
Correct |
24 ms |
572 KB |
Output is correct |
| 62 |
Correct |
12 ms |
572 KB |
Output is correct |
| 63 |
Correct |
7 ms |
572 KB |
Output is correct |
| 64 |
Correct |
14 ms |
572 KB |
Output is correct |
| 65 |
Correct |
19 ms |
572 KB |
Output is correct |
| 66 |
Correct |
18 ms |
572 KB |
Output is correct |
| 67 |
Correct |
17 ms |
572 KB |
Output is correct |
| 68 |
Correct |
9 ms |
572 KB |
Output is correct |
| 69 |
Correct |
22 ms |
572 KB |
Output is correct |
| 70 |
Correct |
13 ms |
572 KB |
Output is correct |
| 71 |
Partially correct |
82 ms |
572 KB |
Partially correct - number of queries: 9900 |
| 72 |
Correct |
17 ms |
572 KB |
Output is correct |
| 73 |
Partially correct |
131 ms |
572 KB |
Partially correct - number of queries: 9749 |
| 74 |
Partially correct |
92 ms |
572 KB |
Partially correct - number of queries: 9812 |
| 75 |
Correct |
13 ms |
572 KB |
Output is correct |
| 76 |
Partially correct |
55 ms |
572 KB |
Partially correct - number of queries: 8533 |
| 77 |
Partially correct |
115 ms |
572 KB |
Partially correct - number of queries: 9742 |
| 78 |
Correct |
16 ms |
572 KB |
Output is correct |
| 79 |
Correct |
46 ms |
572 KB |
Output is correct |
| 80 |
Partially correct |
139 ms |
572 KB |
Partially correct - number of queries: 9730 |
| 81 |
Partially correct |
116 ms |
572 KB |
Partially correct - number of queries: 9728 |
| 82 |
Partially correct |
63 ms |
572 KB |
Partially correct - number of queries: 9648 |
| 83 |
Correct |
16 ms |
572 KB |
Output is correct |
| 84 |
Partially correct |
77 ms |
572 KB |
Partially correct - number of queries: 8111 |
| 85 |
Partially correct |
107 ms |
572 KB |
Partially correct - number of queries: 9685 |
| 86 |
Correct |
13 ms |
572 KB |
Output is correct |
| 87 |
Correct |
6 ms |
572 KB |
Output is correct |
| 88 |
Correct |
15 ms |
572 KB |
Output is correct |
| 89 |
Correct |
11 ms |
572 KB |
Output is correct |
| 90 |
Correct |
10 ms |
572 KB |
Output is correct |
| 91 |
Correct |
20 ms |
572 KB |
Output is correct |
| 92 |
Correct |
14 ms |
572 KB |
Output is correct |
| 93 |
Correct |
13 ms |
572 KB |
Output is correct |
| 94 |
Correct |
17 ms |
572 KB |
Output is correct |
| 95 |
Correct |
14 ms |
572 KB |
Output is correct |
| 96 |
Correct |
20 ms |
572 KB |
Output is correct |
| 97 |
Correct |
6 ms |
572 KB |
Output is correct |
