Submission #1112996

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1112996	2024-11-15T11:08:12 Z	SalihSahin	The Big Prize (IOI17_prize)	C++14	96.48 / 100	121 ms	12360 KB

prize

#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){
      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){
      f(n, smallcnt, l, m-1, solcnt);
   }

   if(m+1 <= r && sagcnt > 0){
      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 = min(475, n);

   for(int i = 0; i < kok; i++){
      check[i] = ask(i);
      smallcnt = max(smallcnt, check[i][0] + check[i][1]);
   }
   int lstbig = 0;
   for(int i = 0; i < kok; i++){
      if(check[i][0] + check[i][1] < smallcnt) small[i] = 1;
      else{
         lstbig = i;
      }
   }

   f(n, smallcnt, lstbig + 1, n-1, smallcnt - check[lstbig][0]);
   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;
            break;
         }
      }
   }
   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 mx = 0;
   int t;
   cin>>t;
   while(t--){
      //cin>>n;
      //n = rng() % 55 + 7;
      n = 2e5 - rng() % 5000;
      g.resize(n);

      vector<int> cnts(3);
      cnts[0] = 1;
      cnts[1] = 3;
      cnts[2] = rng()%10 + 10;
      cnts[3] = rng()%20 + 400;
      cnts[4] = n - cnts[3] - cnts[2] - cnts[1] - cnts[0];

      for(int i = 0; i < n; i++){
         small[i] = 0;
         check[i][0] = check[i][1] = -1;
      }
      int ind = 0;
      for(int i = 0; i < n; i++){
         if(cnts[ind] == 0) ind++;
         g[i] = ind + 1;
         cnts[ind]--;
      }

      shuffle(g.begin(), g.end(), rng);

      for(int i = 0; i < n; 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.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 || query_count > max_q){
         cout << res << endl << "Query count: " << query_count << endl;
      }
      mx = max(mx, query_count);
      query_count = 0;
   }
   cout<<mx<<endl;
   return 0;
}*/

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	12360 KB	Output is correct
2	Correct	27 ms	12028 KB	Output is correct
3	Correct	18 ms	12112 KB	Output is correct
4	Correct	19 ms	12128 KB	Output is correct
5	Correct	21 ms	12112 KB	Output is correct
6	Correct	19 ms	12112 KB	Output is correct
7	Correct	19 ms	12112 KB	Output is correct
8	Correct	22 ms	12036 KB	Output is correct
9	Correct	21 ms	12112 KB	Output is correct
10	Correct	19 ms	12192 KB	Output is correct

Subtask #2

76.48 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	19 ms	12112 KB	Output is correct
2	Correct	16 ms	12112 KB	Output is correct
3	Correct	18 ms	12112 KB	Output is correct
4	Correct	18 ms	12112 KB	Output is correct
5	Correct	17 ms	12188 KB	Output is correct
6	Correct	21 ms	12128 KB	Output is correct
7	Correct	17 ms	12112 KB	Output is correct
8	Correct	17 ms	12112 KB	Output is correct
9	Correct	18 ms	12112 KB	Output is correct
10	Correct	20 ms	12112 KB	Output is correct
11	Correct	26 ms	12360 KB	Output is correct
12	Correct	21 ms	12112 KB	Output is correct
13	Correct	30 ms	12112 KB	Output is correct
14	Correct	33 ms	12180 KB	Output is correct
15	Correct	102 ms	12172 KB	Output is correct
16	Partially correct	105 ms	12128 KB	Partially correct - number of queries: 5204
17	Partially correct	111 ms	12112 KB	Partially correct - number of queries: 5065
18	Partially correct	109 ms	12176 KB	Partially correct - number of queries: 5232
19	Correct	109 ms	12176 KB	Output is correct
20	Correct	85 ms	12172 KB	Output is correct
21	Partially correct	93 ms	12112 KB	Partially correct - number of queries: 5075
22	Correct	67 ms	12176 KB	Output is correct
23	Correct	18 ms	12112 KB	Output is correct
24	Correct	29 ms	12112 KB	Output is correct
25	Correct	97 ms	12176 KB	Output is correct
26	Correct	103 ms	12112 KB	Output is correct
27	Correct	21 ms	12112 KB	Output is correct
28	Correct	110 ms	12180 KB	Output is correct
29	Correct	89 ms	12112 KB	Output is correct
30	Partially correct	107 ms	12176 KB	Partially correct - number of queries: 5196
31	Partially correct	91 ms	12112 KB	Partially correct - number of queries: 5039
32	Correct	30 ms	12112 KB	Output is correct
33	Correct	14 ms	12280 KB	Output is correct
34	Partially correct	90 ms	12112 KB	Partially correct - number of queries: 5119
35	Correct	24 ms	12112 KB	Output is correct
36	Partially correct	100 ms	12176 KB	Partially correct - number of queries: 5061
37	Correct	30 ms	12112 KB	Output is correct
38	Correct	22 ms	12184 KB	Output is correct
39	Partially correct	97 ms	12112 KB	Partially correct - number of queries: 5103
40	Correct	92 ms	12112 KB	Output is correct
41	Partially correct	108 ms	12172 KB	Partially correct - number of queries: 5159
42	Partially correct	100 ms	12180 KB	Partially correct - number of queries: 5159
43	Partially correct	105 ms	12112 KB	Partially correct - number of queries: 5016
44	Partially correct	104 ms	12172 KB	Partially correct - number of queries: 5138
45	Correct	86 ms	12172 KB	Output is correct
46	Partially correct	88 ms	12112 KB	Partially correct - number of queries: 5069
47	Correct	93 ms	12180 KB	Output is correct
48	Partially correct	107 ms	12112 KB	Partially correct - number of queries: 5170
49	Partially correct	121 ms	12112 KB	Partially correct - number of queries: 5080
50	Partially correct	108 ms	12112 KB	Partially correct - number of queries: 5231
51	Partially correct	104 ms	11936 KB	Partially correct - number of queries: 5146
52	Partially correct	106 ms	12112 KB	Partially correct - number of queries: 5078
53	Correct	20 ms	12112 KB	Output is correct
54	Partially correct	92 ms	12112 KB	Partially correct - number of queries: 5097
55	Partially correct	115 ms	12172 KB	Partially correct - number of queries: 5086
56	Partially correct	103 ms	12112 KB	Partially correct - number of queries: 5231
57	Partially correct	95 ms	12124 KB	Partially correct - number of queries: 5140
58	Partially correct	115 ms	12180 KB	Partially correct - number of queries: 5181
59	Partially correct	98 ms	12176 KB	Partially correct - number of queries: 5157
60	Partially correct	88 ms	12112 KB	Partially correct - number of queries: 5126
61	Correct	18 ms	12112 KB	Output is correct
62	Correct	21 ms	12112 KB	Output is correct
63	Correct	18 ms	12112 KB	Output is correct
64	Correct	19 ms	12176 KB	Output is correct
65	Correct	20 ms	12112 KB	Output is correct
66	Correct	23 ms	12112 KB	Output is correct
67	Correct	30 ms	12112 KB	Output is correct
68	Correct	18 ms	12112 KB	Output is correct
69	Correct	28 ms	12112 KB	Output is correct
70	Correct	30 ms	12112 KB	Output is correct
71	Partially correct	107 ms	12176 KB	Partially correct - number of queries: 5234
72	Correct	25 ms	12160 KB	Output is correct
73	Partially correct	121 ms	12112 KB	Partially correct - number of queries: 5171
74	Partially correct	106 ms	12112 KB	Partially correct - number of queries: 5198
75	Correct	19 ms	12112 KB	Output is correct
76	Correct	97 ms	12176 KB	Output is correct
77	Partially correct	104 ms	12180 KB	Partially correct - number of queries: 5347
78	Correct	23 ms	12112 KB	Output is correct
79	Correct	61 ms	12176 KB	Output is correct
80	Partially correct	108 ms	12112 KB	Partially correct - number of queries: 5343
81	Partially correct	110 ms	12176 KB	Partially correct - number of queries: 5352
82	Partially correct	97 ms	12112 KB	Partially correct - number of queries: 5297
83	Correct	18 ms	12112 KB	Output is correct
84	Correct	73 ms	12112 KB	Output is correct
85	Partially correct	98 ms	12112 KB	Partially correct - number of queries: 5334
86	Correct	18 ms	12112 KB	Output is correct
87	Correct	20 ms	12360 KB	Output is correct
88	Correct	17 ms	12112 KB	Output is correct
89	Correct	18 ms	12112 KB	Output is correct
90	Correct	15 ms	12112 KB	Output is correct
91	Correct	16 ms	12128 KB	Output is correct
92	Correct	22 ms	12360 KB	Output is correct
93	Correct	22 ms	12176 KB	Output is correct
94	Correct	27 ms	11956 KB	Output is correct
95	Correct	25 ms	12360 KB	Output is correct
96	Correct	20 ms	12112 KB	Output is correct
97	Correct	23 ms	12112 KB	Output is correct