Submission #1041296

# Submission time Handle Problem Language Result Execution time Memory
1041296 2024-08-01T20:21:02 Z PCTprobability The Big Prize (IOI17_prize) C++17
97.61 / 100
26 ms 600 KB
```#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
int ans=-1;
int m;
int N;
int cnt=0;
vector<int> query(int id){
if(id==N) return {m,0};
else{
if(a[0]+a[1]==0) ans=id;
return a;
}
}
void solve(int l,int r,int x,int p,int q){
if(x==0) return;
if(r-l+1==x){
for(int i=l;i<=r;i++){
vector<int> a=query(i);
if(a[0]+a[1]==0){
ans=i;
return;
}
}
return;
}
if(ans!=-1) return;
int mid=(l+r)/2;
//mid+1 を聞く
vector<int> a=query(mid+1);
if(a[0]+a[1]==m){
solve(l,mid,a[0]-p,p,a[1]);
if(ans!=-1) return;
solve(mid+1,r,a[1]-q,a[0],q);
}
else{
int now=mid+1;
int cnt=1;
while(now<r){
vector<int> a=query(now+1);
if(a[0]+a[1]!=m){
cnt++;
now++;
}
else{
break;
}
}
if(now==r){
//mid+1 から r は全部特殊
solve(l,mid,x-cnt,p,q+cnt);
}
else{
vector<int> a=query(now+1);
//mid+1 から now は全部特殊
solve(now+1,r,a[1]-q,a[0],q);
if(ans!=-1) return;
solve(l,mid,a[0]-cnt-p,p,a[1]+cnt);
if(ans!=-1) return;
}
}
}
int find_best(int n) {
N=n;
if(n<=5000){
for(int i=0;i<n;i++){
if(a[0]+a[1]==0) return i;
}
}
m=-1;
for(int i=0;i<480;i++){
int k=i%n;
vector<int> a=query(k);
if(a[0]+a[1]==0) return i;
if(m<a[0]+a[1]) m=a[0]+a[1];
}
solve(0,n-1,m,0,0);
return ans;
}```

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 436 KB Output is correct
10 Correct 2 ms 344 KB Output is correct

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 ms 424 KB Output is correct
16 Correct 11 ms 344 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 18 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 9 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 11 ms 344 KB Output is correct
26 Correct 15 ms 344 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 10 ms 344 KB Output is correct
29 Correct 19 ms 344 KB Output is correct
30 Correct 18 ms 344 KB Output is correct
31 Correct 2 ms 344 KB Output is correct
32 Correct 2 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 8 ms 424 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 6 ms 344 KB Output is correct
37 Correct 2 ms 344 KB Output is correct
38 Correct 2 ms 344 KB Output is correct
39 Correct 9 ms 344 KB Output is correct
40 Correct 11 ms 344 KB Output is correct
41 Correct 8 ms 344 KB Output is correct
42 Correct 13 ms 344 KB Output is correct
43 Correct 10 ms 344 KB Output is correct
44 Correct 8 ms 344 KB Output is correct
45 Correct 5 ms 344 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 13 ms 344 KB Output is correct
48 Correct 9 ms 344 KB Output is correct
49 Correct 3 ms 344 KB Output is correct
50 Correct 23 ms 344 KB Output is correct
51 Correct 12 ms 344 KB Output is correct
52 Correct 2 ms 344 KB Output is correct
53 Correct 3 ms 344 KB Output is correct
54 Correct 9 ms 344 KB Output is correct
55 Correct 2 ms 344 KB Output is correct
56 Correct 18 ms 344 KB Output is correct
57 Correct 18 ms 344 KB Output is correct
58 Correct 9 ms 344 KB Output is correct
59 Correct 13 ms 344 KB Output is correct
60 Correct 9 ms 344 KB Output is correct
61 Correct 2 ms 344 KB Output is correct
62 Correct 2 ms 344 KB Output is correct
63 Correct 3 ms 344 KB Output is correct
64 Correct 3 ms 344 KB Output is correct
65 Correct 2 ms 344 KB Output is correct
66 Correct 3 ms 344 KB Output is correct
67 Correct 4 ms 344 KB Output is correct
68 Correct 1 ms 344 KB Output is correct
69 Correct 4 ms 344 KB Output is correct
70 Correct 4 ms 344 KB Output is correct
71 Partially correct 19 ms 344 KB Partially correct - number of queries: 5239
72 Correct 5 ms 344 KB Output is correct
73 Partially correct 26 ms 344 KB Partially correct - number of queries: 5176
74 Partially correct 23 ms 344 KB Partially correct - number of queries: 5203
75 Correct 4 ms 344 KB Output is correct
76 Correct 18 ms 344 KB Output is correct
77 Partially correct 22 ms 344 KB Partially correct - number of queries: 5228
78 Correct 4 ms 344 KB Output is correct
79 Correct 10 ms 344 KB Output is correct
80 Partially correct 19 ms 344 KB Partially correct - number of queries: 5178
81 Partially correct 13 ms 344 KB Partially correct - number of queries: 5199
82 Partially correct 20 ms 344 KB Partially correct - number of queries: 5109
83 Correct 4 ms 344 KB Output is correct
84 Correct 21 ms 344 KB Output is correct
85 Partially correct 22 ms 340 KB Partially correct - number of queries: 5206
86 Correct 4 ms 344 KB Output is correct
87 Correct 2 ms 344 KB Output is correct
88 Correct 6 ms 344 KB Output is correct
89 Correct 4 ms 344 KB Output is correct
90 Correct 2 ms 344 KB Output is correct
91 Correct 3 ms 344 KB Output is correct
92 Correct 4 ms 344 KB Output is correct
93 Correct 6 ms 600 KB Output is correct
94 Correct 4 ms 344 KB Output is correct
95 Correct 5 ms 344 KB Output is correct
96 Correct 5 ms 344 KB Output is correct
97 Correct 4 ms 344 KB Output is correct