Submission #1112994

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1112994	2024-11-15T11:05:06 Z	SalihSahin	The Big Prize (IOI17_prize)	C++14	96.18 / 100	123 ms	12432 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(500, 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;
            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	22 ms	12180 KB	Output is correct
2	Correct	21 ms	12112 KB	Output is correct
3	Correct	18 ms	12112 KB	Output is correct
4	Correct	20 ms	12112 KB	Output is correct
5	Correct	19 ms	12112 KB	Output is correct
6	Correct	20 ms	12112 KB	Output is correct
7	Correct	20 ms	12112 KB	Output is correct
8	Correct	23 ms	12112 KB	Output is correct
9	Correct	21 ms	12112 KB	Output is correct
10	Correct	18 ms	12172 KB	Output is correct

Subtask #2

76.18 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	20 ms	12368 KB	Output is correct
2	Correct	17 ms	12112 KB	Output is correct
3	Correct	19 ms	12048 KB	Output is correct
4	Correct	18 ms	12112 KB	Output is correct
5	Correct	19 ms	12112 KB	Output is correct
6	Correct	19 ms	12112 KB	Output is correct
7	Correct	17 ms	12112 KB	Output is correct
8	Correct	20 ms	12112 KB	Output is correct
9	Correct	18 ms	12112 KB	Output is correct
10	Correct	21 ms	12112 KB	Output is correct
11	Correct	29 ms	12112 KB	Output is correct
12	Correct	28 ms	12180 KB	Output is correct
13	Correct	33 ms	12112 KB	Output is correct
14	Correct	30 ms	12176 KB	Output is correct
15	Correct	98 ms	12112 KB	Output is correct
16	Partially correct	96 ms	12180 KB	Partially correct - number of queries: 5227
17	Partially correct	114 ms	12172 KB	Partially correct - number of queries: 5106
18	Partially correct	105 ms	12112 KB	Partially correct - number of queries: 5255
19	Correct	85 ms	12112 KB	Output is correct
20	Correct	72 ms	12112 KB	Output is correct
21	Partially correct	94 ms	12112 KB	Partially correct - number of queries: 5126
22	Correct	79 ms	12112 KB	Output is correct
23	Correct	19 ms	12276 KB	Output is correct
24	Correct	25 ms	12280 KB	Output is correct
25	Correct	89 ms	12112 KB	Output is correct
26	Correct	116 ms	12112 KB	Output is correct
27	Correct	22 ms	12112 KB	Output is correct
28	Correct	107 ms	12112 KB	Output is correct
29	Correct	87 ms	12112 KB	Output is correct
30	Partially correct	97 ms	12112 KB	Partially correct - number of queries: 5224
31	Partially correct	95 ms	12180 KB	Partially correct - number of queries: 5056
32	Correct	27 ms	12112 KB	Output is correct
33	Correct	15 ms	12368 KB	Output is correct
34	Partially correct	102 ms	12112 KB	Partially correct - number of queries: 5140
35	Correct	24 ms	12188 KB	Output is correct
36	Partially correct	97 ms	12180 KB	Partially correct - number of queries: 5101
37	Correct	26 ms	12368 KB	Output is correct
38	Correct	20 ms	12048 KB	Output is correct
39	Partially correct	92 ms	12112 KB	Partially correct - number of queries: 5139
40	Correct	88 ms	12112 KB	Output is correct
41	Partially correct	93 ms	12172 KB	Partially correct - number of queries: 5191
42	Partially correct	102 ms	12112 KB	Partially correct - number of queries: 5191
43	Partially correct	90 ms	12180 KB	Partially correct - number of queries: 5049
44	Partially correct	102 ms	12432 KB	Partially correct - number of queries: 5155
45	Correct	97 ms	12112 KB	Output is correct
46	Partially correct	93 ms	12112 KB	Partially correct - number of queries: 5102
47	Correct	102 ms	12112 KB	Output is correct
48	Partially correct	99 ms	12176 KB	Partially correct - number of queries: 5204
49	Partially correct	106 ms	12176 KB	Partially correct - number of queries: 5122
50	Partially correct	96 ms	12112 KB	Partially correct - number of queries: 5260
51	Partially correct	94 ms	12112 KB	Partially correct - number of queries: 5153
52	Partially correct	111 ms	12180 KB	Partially correct - number of queries: 5093
53	Correct	24 ms	12128 KB	Output is correct
54	Partially correct	108 ms	12112 KB	Partially correct - number of queries: 5134
55	Partially correct	103 ms	12176 KB	Partially correct - number of queries: 5090
56	Partially correct	99 ms	12112 KB	Partially correct - number of queries: 5259
57	Partially correct	112 ms	12172 KB	Partially correct - number of queries: 5175
58	Partially correct	107 ms	12112 KB	Partially correct - number of queries: 5215
59	Partially correct	117 ms	12124 KB	Partially correct - number of queries: 5197
60	Partially correct	91 ms	12112 KB	Partially correct - number of queries: 5136
61	Correct	19 ms	12280 KB	Output is correct
62	Correct	19 ms	12176 KB	Output is correct
63	Correct	23 ms	12112 KB	Output is correct
64	Correct	22 ms	12112 KB	Output is correct
65	Correct	19 ms	12112 KB	Output is correct
66	Correct	29 ms	12172 KB	Output is correct
67	Correct	25 ms	12112 KB	Output is correct
68	Correct	16 ms	12112 KB	Output is correct
69	Correct	22 ms	12112 KB	Output is correct
70	Correct	20 ms	12112 KB	Output is correct
71	Partially correct	102 ms	12176 KB	Partially correct - number of queries: 5258
72	Correct	26 ms	12112 KB	Output is correct
73	Partially correct	114 ms	12172 KB	Partially correct - number of queries: 5195
74	Partially correct	106 ms	12112 KB	Partially correct - number of queries: 5222
75	Correct	23 ms	11976 KB	Output is correct
76	Correct	93 ms	12112 KB	Output is correct
77	Partially correct	119 ms	12016 KB	Partially correct - number of queries: 5382
78	Correct	24 ms	12112 KB	Output is correct
79	Correct	59 ms	11980 KB	Output is correct
80	Partially correct	123 ms	12112 KB	Partially correct - number of queries: 5375
81	Partially correct	107 ms	12112 KB	Partially correct - number of queries: 5373
82	Partially correct	106 ms	12112 KB	Partially correct - number of queries: 5315
83	Correct	20 ms	12112 KB	Output is correct
84	Correct	99 ms	12112 KB	Output is correct
85	Partially correct	108 ms	12172 KB	Partially correct - number of queries: 5337
86	Correct	17 ms	12112 KB	Output is correct
87	Correct	17 ms	12112 KB	Output is correct
88	Correct	18 ms	12284 KB	Output is correct
89	Correct	20 ms	12112 KB	Output is correct
90	Correct	18 ms	12096 KB	Output is correct
91	Correct	17 ms	12112 KB	Output is correct
92	Correct	20 ms	12112 KB	Output is correct
93	Correct	24 ms	12112 KB	Output is correct
94	Correct	24 ms	12124 KB	Output is correct
95	Correct	26 ms	12180 KB	Output is correct
96	Correct	23 ms	12112 KB	Output is correct
97	Correct	18 ms	12112 KB	Output is correct