# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1112974 | 2024-11-15T10:29:41 Z | SalihSahin | The Big Prize (IOI17_prize) | C++14 | 172 ms | 12376 KB |
#include <bits/stdc++.h> #define pb push_back #include "prize.h" using namespace std; /* static const int max_q = 10000; static int n; static int query_count = 0; static vector<int> g; static vector<vector<int> > rank_count; vector<int> ask(int i) { query_count++; if(query_count > max_q) { cerr << "Query limit exceeded" << endl; //cout<<query_count<<" babag "<<endl; exit(0); } if(i < 0 || i >= n) { cerr << "Bad index: " << i << endl; exit(0); } vector<int> res(2); res[0] = rank_count[g[i] - 1][i + 1]; res[1] = rank_count[g[i] - 1][n] - res[0]; return res; } */ const int MAXN = 2e5 + 5; vector<vector<int> > check(MAXN, vector<int>(2, -1)); vector<int> small(MAXN); void f(int n, int smallcnt, int l, int r, int cnt){ if(l == r){ check[l] = ask(l); small[l] = 1; return; } int mid = (l + r)/2; int m = -1; for(int delt = 0; delt <= (r - l + 1)/2 + 1; delt++){ if(mid + delt <= r){ if(check[mid + delt][0] == -1) check[mid + delt] = ask(mid + delt); if(check[mid + delt][0] + check[mid + delt][1] == smallcnt){ m = mid + delt; break; } else{ small[mid + delt] = 1; } } if(mid - delt >= l){ if(check[mid - delt][0] == -1) check[mid - delt] = ask(mid - delt); if(check[mid - delt][0] + check[mid - delt][1] == smallcnt){ m = mid - delt; break; } else{ small[mid - delt] = 1; } } } if(m == -1) return; // aralıktaki herkes small ve tagledik if(l > 0 && check[l-1][0] == -1) check[l-1] = ask(l-1); if(r < n-1 && check[r+1][0] == -1) check[r+1] = ask(r+1); int solcnt = check[m][0] - (l > 0 ? check[l-1][0] : 0); int sagcnt = check[m][1] - (r < n-1 ? check[r+1][1] : 0); if(l <= m-1 && solcnt > 0){ //cout<<l<<" - "<<m-1<<" -> "<<solcnt<<endl; f(n, smallcnt, l, m-1, solcnt); } if(m+1 <= r && sagcnt > 0){ //cout<<m+1<<" - "<<r<<" -> "<<sagcnt<<endl; f(n, smallcnt, m+1, r, sagcnt); } } long long kokbul(long long n){ long long l = 1, r = n; while(l < r){ long long m = (l + r)/2; if(m * m < n) l = m + 1; else r = m; } return l; } int find_best(int n) { int smallcnt = 0; int kok = kokbul(n) + 15; kok = min(kok, n); for(int i = 0; i < kok; i++){ check[i] = ask(i); smallcnt = max(smallcnt, check[i][0] + check[i][1]); } for(int i = 0; i < kok; i++){ if(check[i][0] + check[i][1] < smallcnt) small[i] = 1; } f(n, smallcnt, 0, n-1, smallcnt); int ans = -1; for(int i = 0; i < n; i++){ if(small[i] == 1){ if(check[i][0] == -1) check[i] = ask(i); if(check[i][0] + check[i][1] == 0){ ans = i; } } } return ans; } /* int main() { cin>>n; g.resize(n); for(int i = 0; i < n; i++) { cin>>g[i]; if(g[i] < 1) { cerr << "Invalid rank " << g[i] << " at index " << i << endl; exit(0); } } int max_rank = *max_element(g.begin(), g.end()); rank_count.resize(max_rank + 1, vector<int>(n + 1, 0)); for(int r = 0; r <= max_rank; r++) { for(int i = 1; i <= n; i++) { rank_count[r][i] = rank_count[r][i - 1]; if(g[i - 1] == r) rank_count[r][i]++; } } for(int i = 0; i <= n; i++) for(int r = 1; r <= max_rank; r++) rank_count[r][i] += rank_count[r - 1][i]; int res = find_best(n); cout << res << endl << "Query count: " << query_count << endl; return 0; } */ /* int main() { mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int t; cin>>t; while(t--){ //cin>>n; //n = rng() % 55 + 7; n = 1e5; g.resize(n); for(int i = 0; i < n; i++){ small[i] = 0; check[i][0] = check[i][1] = -1; } for(int i = 0; i < n; i++) { //cin>>g[i]; g[i] = 2; if(g[i] < 1) { cerr << "Invalid rank " << g[i] << " at index " << i << endl; exit(0); } } int x = rng() % n; g[x] = 1; int max_rank = *max_element(g.begin(), g.end()); rank_count.clear(); rank_count.resize(max_rank + 1, vector<int>(n + 1, 0)); for(int r = 0; r <= max_rank; r++) { for(int i = 1; i <= n; i++) { rank_count[r][i] = rank_count[r][i - 1]; if(g[i - 1] == r) rank_count[r][i]++; } } for(int i = 0; i <= n; i++) for(int r = 1; r <= max_rank; r++) rank_count[r][i] += rank_count[r - 1][i]; int res = find_best(n); if(res == -1){ cout<<x<<" olması lazımdı "<<n<<" size array "<<endl; cout << res << endl << "Query count: " << query_count << endl; } cout<<x<<" olması lazımdı "<<n<<" size array "<<endl; cout << res << endl << "Query count: " << query_count << endl; query_count = 0; } return 0; } */
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 19 ms | 12112 KB | Output is correct |
2 | Correct | 17 ms | 12112 KB | Output is correct |
3 | Correct | 18 ms | 12112 KB | Output is correct |
4 | Correct | 19 ms | 12112 KB | Output is correct |
5 | Correct | 20 ms | 12112 KB | Output is correct |
6 | Correct | 21 ms | 12112 KB | Output is correct |
7 | Correct | 16 ms | 12112 KB | Output is correct |
8 | Correct | 18 ms | 12128 KB | Output is correct |
9 | Correct | 18 ms | 12112 KB | Output is correct |
10 | Correct | 19 ms | 12112 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 24 ms | 12184 KB | Output is correct |
2 | Correct | 18 ms | 12112 KB | Output is correct |
3 | Correct | 20 ms | 12368 KB | Output is correct |
4 | Correct | 27 ms | 12196 KB | Output is correct |
5 | Correct | 24 ms | 12128 KB | Output is correct |
6 | Correct | 19 ms | 12112 KB | Output is correct |
7 | Correct | 23 ms | 12112 KB | Output is correct |
8 | Correct | 18 ms | 12368 KB | Output is correct |
9 | Correct | 19 ms | 12176 KB | Output is correct |
10 | Correct | 18 ms | 12112 KB | Output is correct |
11 | Correct | 26 ms | 12112 KB | Output is correct |
12 | Correct | 20 ms | 12112 KB | Output is correct |
13 | Correct | 24 ms | 12112 KB | Output is correct |
14 | Correct | 30 ms | 12112 KB | Output is correct |
15 | Partially correct | 110 ms | 12280 KB | Partially correct - number of queries: 5282 |
16 | Partially correct | 99 ms | 12180 KB | Partially correct - number of queries: 5530 |
17 | Partially correct | 109 ms | 12184 KB | Partially correct - number of queries: 5542 |
18 | Partially correct | 102 ms | 12172 KB | Partially correct - number of queries: 5531 |
19 | Partially correct | 100 ms | 12176 KB | Partially correct - number of queries: 5234 |
20 | Correct | 86 ms | 12096 KB | Output is correct |
21 | Partially correct | 112 ms | 12176 KB | Partially correct - number of queries: 5496 |
22 | Correct | 85 ms | 12112 KB | Output is correct |
23 | Correct | 21 ms | 12280 KB | Output is correct |
24 | Correct | 28 ms | 12112 KB | Output is correct |
25 | Partially correct | 113 ms | 12128 KB | Partially correct - number of queries: 5156 |
26 | Partially correct | 96 ms | 12180 KB | Partially correct - number of queries: 5132 |
27 | Correct | 19 ms | 12112 KB | Output is correct |
28 | Partially correct | 100 ms | 12112 KB | Partially correct - number of queries: 5077 |
29 | Correct | 84 ms | 12176 KB | Output is correct |
30 | Partially correct | 113 ms | 12112 KB | Partially correct - number of queries: 5493 |
31 | Partially correct | 103 ms | 12112 KB | Partially correct - number of queries: 5488 |
32 | Correct | 26 ms | 12112 KB | Output is correct |
33 | Correct | 18 ms | 12112 KB | Output is correct |
34 | Partially correct | 114 ms | 12112 KB | Partially correct - number of queries: 5518 |
35 | Correct | 20 ms | 12112 KB | Output is correct |
36 | Partially correct | 119 ms | 12112 KB | Partially correct - number of queries: 5505 |
37 | Correct | 25 ms | 12112 KB | Output is correct |
38 | Correct | 21 ms | 12112 KB | Output is correct |
39 | Partially correct | 116 ms | 12112 KB | Partially correct - number of queries: 5502 |
40 | Correct | 86 ms | 12112 KB | Output is correct |
41 | Partially correct | 108 ms | 12112 KB | Partially correct - number of queries: 5526 |
42 | Partially correct | 110 ms | 12176 KB | Partially correct - number of queries: 5526 |
43 | Partially correct | 98 ms | 12112 KB | Partially correct - number of queries: 5394 |
44 | Partially correct | 112 ms | 12112 KB | Partially correct - number of queries: 5530 |
45 | Partially correct | 97 ms | 12172 KB | Partially correct - number of queries: 5144 |
46 | Partially correct | 105 ms | 12176 KB | Partially correct - number of queries: 5538 |
47 | Partially correct | 104 ms | 12376 KB | Partially correct - number of queries: 5174 |
48 | Partially correct | 113 ms | 12112 KB | Partially correct - number of queries: 5527 |
49 | Partially correct | 100 ms | 12176 KB | Partially correct - number of queries: 5545 |
50 | Partially correct | 104 ms | 12112 KB | Partially correct - number of queries: 5543 |
51 | Partially correct | 96 ms | 12112 KB | Partially correct - number of queries: 5536 |
52 | Partially correct | 106 ms | 12112 KB | Partially correct - number of queries: 5528 |
53 | Correct | 19 ms | 12020 KB | Output is correct |
54 | Partially correct | 103 ms | 12112 KB | Partially correct - number of queries: 5495 |
55 | Partially correct | 111 ms | 12112 KB | Partially correct - number of queries: 5526 |
56 | Partially correct | 107 ms | 12112 KB | Partially correct - number of queries: 5517 |
57 | Partially correct | 100 ms | 12112 KB | Partially correct - number of queries: 5501 |
58 | Partially correct | 116 ms | 12176 KB | Partially correct - number of queries: 5510 |
59 | Partially correct | 126 ms | 12180 KB | Partially correct - number of queries: 5532 |
60 | Partially correct | 94 ms | 12112 KB | Partially correct - number of queries: 5478 |
61 | Correct | 17 ms | 12112 KB | Output is correct |
62 | Correct | 21 ms | 12112 KB | Output is correct |
63 | Correct | 20 ms | 12112 KB | Output is correct |
64 | Correct | 19 ms | 12112 KB | Output is correct |
65 | Correct | 20 ms | 12112 KB | Output is correct |
66 | Correct | 25 ms | 12284 KB | Output is correct |
67 | Correct | 29 ms | 12112 KB | Output is correct |
68 | Correct | 19 ms | 12180 KB | Output is correct |
69 | Correct | 25 ms | 12112 KB | Output is correct |
70 | Correct | 23 ms | 12112 KB | Output is correct |
71 | Partially correct | 113 ms | 12176 KB | Partially correct - number of queries: 5221 |
72 | Correct | 29 ms | 11956 KB | Output is correct |
73 | Partially correct | 108 ms | 12112 KB | Partially correct - number of queries: 5158 |
74 | Partially correct | 109 ms | 12112 KB | Partially correct - number of queries: 5185 |
75 | Correct | 25 ms | 12124 KB | Output is correct |
76 | Correct | 90 ms | 12180 KB | Output is correct |
77 | Partially correct | 105 ms | 12176 KB | Partially correct - number of queries: 5608 |
78 | Correct | 26 ms | 12176 KB | Output is correct |
79 | Correct | 67 ms | 12112 KB | Output is correct |
80 | Partially correct | 121 ms | 12112 KB | Partially correct - number of queries: 5548 |
81 | Partially correct | 109 ms | 12112 KB | Partially correct - number of queries: 5579 |
82 | Partially correct | 113 ms | 12112 KB | Partially correct - number of queries: 5526 |
83 | Correct | 20 ms | 12368 KB | Output is correct |
84 | Correct | 105 ms | 11956 KB | Output is correct |
85 | Partially correct | 119 ms | 12176 KB | Partially correct - number of queries: 5553 |
86 | Incorrect | 172 ms | 12112 KB | Incorrect |
87 | Halted | 0 ms | 0 KB | - |