#include"prize.h"
#include<iostream>
#include<vector>
#include<set>
using namespace std;
bool dpt[200000];
pair<int,int>dp[200000];
int n;
bool found;
void query(int i){
if(dpt[i])
return;
dpt[i]=true;
auto res=ask(i);
dp[i]={res[0],res[1]};
if(res[0]+res[1]==0){
found=true;
return;
}
int c=i+1;
while(c<n){
if(dpt[c]){
if(dp[c]==dp[i]){
for(int j=i+1;j<c;j++){
dp[j]=dp[i];
dpt[j]=true;
}
}
break;
}
c++;
}
c=i-1;
while(c>=0){
if(dpt[c]){
if(dp[c]==dp[i]){
for(int j=c+1;j<i;j++){
dp[j]=dp[i];
dpt[j]=true;
}
}
break;
}
c--;
}
}
void fo(int l,int r){
if(l>=r)
return;
int m=(l+r)/2;
if(found)
return;
query(m);
if(l<r-1){
if(dp[m].first>dp[m].second){
fo(l,m);
fo(m,r);
}else{
fo(m,r);
fo(l,m);
}
}
}
int find_best(int N){
n=N;
fo(0,n);
for(int i=0;i<n;i++)
if(dpt[i]&&dp[i].first+dp[i].second==0)
return i;
return -1;
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:74:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
74 | for(int i=0;i<n;i++)
| ^~~
prize.cpp:78:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
78 | return -1;
| ^~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
960 KB |
Output is correct |
| 2 |
Correct |
1 ms |
708 KB |
Output is correct |
| 3 |
Correct |
1 ms |
708 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1476 KB |
Output is correct |
| 5 |
Correct |
0 ms |
452 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1220 KB |
Output is correct |
| 7 |
Correct |
0 ms |
452 KB |
Output is correct |
| 8 |
Correct |
0 ms |
452 KB |
Output is correct |
| 9 |
Correct |
1 ms |
712 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1316 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
964 KB |
Output is correct |
| 2 |
Correct |
1 ms |
708 KB |
Output is correct |
| 3 |
Correct |
1 ms |
708 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 5 |
Correct |
0 ms |
468 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 7 |
Correct |
0 ms |
456 KB |
Output is correct |
| 8 |
Correct |
0 ms |
452 KB |
Output is correct |
| 9 |
Correct |
2 ms |
708 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1320 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1580 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2544 KB |
Output is correct |
| 13 |
Correct |
3 ms |
1328 KB |
Output is correct |
| 14 |
Correct |
5 ms |
964 KB |
Output is correct |
| 15 |
Correct |
9 ms |
928 KB |
Output is correct |
| 16 |
Correct |
9 ms |
1940 KB |
Output is correct |
| 17 |
Partially correct |
27 ms |
2360 KB |
Partially correct - number of queries: 5091 |
| 18 |
Correct |
12 ms |
1328 KB |
Output is correct |
| 19 |
Correct |
27 ms |
2372 KB |
Output is correct |
| 20 |
Correct |
12 ms |
1628 KB |
Output is correct |
| 21 |
Correct |
5 ms |
708 KB |
Output is correct |
| 22 |
Correct |
10 ms |
1684 KB |
Output is correct |
| 23 |
Correct |
5 ms |
2172 KB |
Output is correct |
| 24 |
Correct |
3 ms |
1428 KB |
Output is correct |
| 25 |
Correct |
2 ms |
512 KB |
Output is correct |
| 26 |
Correct |
1 ms |
744 KB |
Output is correct |
| 27 |
Correct |
2 ms |
676 KB |
Output is correct |
| 28 |
Correct |
10 ms |
1688 KB |
Output is correct |
| 29 |
Correct |
7 ms |
1216 KB |
Output is correct |
| 30 |
Correct |
16 ms |
1564 KB |
Output is correct |
| 31 |
Partially correct |
27 ms |
2252 KB |
Partially correct - number of queries: 5034 |
| 32 |
Correct |
2 ms |
736 KB |
Output is correct |
| 33 |
Correct |
0 ms |
452 KB |
Output is correct |
| 34 |
Correct |
6 ms |
1076 KB |
Output is correct |
| 35 |
Correct |
1 ms |
924 KB |
Output is correct |
| 36 |
Correct |
9 ms |
1064 KB |
Output is correct |
| 37 |
Correct |
5 ms |
2100 KB |
Output is correct |
| 38 |
Correct |
5 ms |
2180 KB |
Output is correct |
| 39 |
Correct |
15 ms |
1876 KB |
Output is correct |
| 40 |
Correct |
12 ms |
1392 KB |
Output is correct |
| 41 |
Correct |
3 ms |
768 KB |
Output is correct |
| 42 |
Correct |
3 ms |
760 KB |
Output is correct |
| 43 |
Correct |
1 ms |
500 KB |
Output is correct |
| 44 |
Correct |
4 ms |
900 KB |
Output is correct |
| 45 |
Correct |
6 ms |
1104 KB |
Output is correct |
| 46 |
Partially correct |
27 ms |
2300 KB |
Partially correct - number of queries: 5139 |
| 47 |
Correct |
3 ms |
1008 KB |
Output is correct |
| 48 |
Correct |
5 ms |
1372 KB |
Output is correct |
| 49 |
Correct |
12 ms |
1576 KB |
Output is correct |
| 50 |
Correct |
13 ms |
2472 KB |
Output is correct |
| 51 |
Correct |
3 ms |
652 KB |
Output is correct |
| 52 |
Partially correct |
25 ms |
2568 KB |
Partially correct - number of queries: 5063 |
| 53 |
Correct |
2 ms |
1224 KB |
Output is correct |
| 54 |
Correct |
4 ms |
764 KB |
Output is correct |
| 55 |
Partially correct |
26 ms |
2664 KB |
Partially correct - number of queries: 5092 |
| 56 |
Correct |
13 ms |
1724 KB |
Output is correct |
| 57 |
Correct |
19 ms |
1888 KB |
Output is correct |
| 58 |
Correct |
18 ms |
2108 KB |
Output is correct |
| 59 |
Correct |
2 ms |
800 KB |
Output is correct |
| 60 |
Correct |
1 ms |
504 KB |
Output is correct |
| 61 |
Correct |
3 ms |
1152 KB |
Output is correct |
| 62 |
Correct |
4 ms |
2428 KB |
Output is correct |
| 63 |
Correct |
2 ms |
1152 KB |
Output is correct |
| 64 |
Correct |
1 ms |
452 KB |
Output is correct |
| 65 |
Correct |
5 ms |
1984 KB |
Output is correct |
| 66 |
Correct |
2 ms |
1220 KB |
Output is correct |
| 67 |
Correct |
1 ms |
1224 KB |
Output is correct |
| 68 |
Correct |
1 ms |
1216 KB |
Output is correct |
| 69 |
Correct |
1 ms |
1476 KB |
Output is correct |
| 70 |
Correct |
1 ms |
1216 KB |
Output is correct |
| 71 |
Correct |
29 ms |
2772 KB |
Output is correct |
| 72 |
Correct |
6 ms |
2664 KB |
Output is correct |
| 73 |
Correct |
26 ms |
2612 KB |
Output is correct |
| 74 |
Correct |
26 ms |
3040 KB |
Output is correct |
| 75 |
Correct |
4 ms |
2176 KB |
Output is correct |
| 76 |
Correct |
21 ms |
2812 KB |
Output is correct |
| 77 |
Partially correct |
28 ms |
2820 KB |
Partially correct - number of queries: 5210 |
| 78 |
Correct |
5 ms |
2500 KB |
Output is correct |
| 79 |
Correct |
17 ms |
2512 KB |
Output is correct |
| 80 |
Partially correct |
26 ms |
2808 KB |
Partially correct - number of queries: 5212 |
| 81 |
Partially correct |
27 ms |
2384 KB |
Partially correct - number of queries: 5229 |
| 82 |
Partially correct |
26 ms |
2408 KB |
Partially correct - number of queries: 5192 |
| 83 |
Correct |
4 ms |
2240 KB |
Output is correct |
| 84 |
Correct |
25 ms |
2460 KB |
Output is correct |
| 85 |
Partially correct |
27 ms |
2428 KB |
Partially correct - number of queries: 5202 |
| 86 |
Correct |
7 ms |
2756 KB |
Output is correct |
| 87 |
Correct |
5 ms |
2248 KB |
Output is correct |
| 88 |
Correct |
7 ms |
2244 KB |
Output is correct |
| 89 |
Correct |
7 ms |
2500 KB |
Output is correct |
| 90 |
Correct |
4 ms |
2240 KB |
Output is correct |
| 91 |
Correct |
5 ms |
2244 KB |
Output is correct |
| 92 |
Correct |
1 ms |
1224 KB |
Output is correct |
| 93 |
Correct |
5 ms |
2344 KB |
Output is correct |
| 94 |
Correct |
5 ms |
2672 KB |
Output is correct |
| 95 |
Correct |
5 ms |
2536 KB |
Output is correct |
| 96 |
Correct |
5 ms |
2360 KB |
Output is correct |
| 97 |
Correct |
2 ms |
1216 KB |
Output is correct |
