Submission #1045378

# Submission time Handle Problem Language Result Execution time Memory
1045378 2024-08-05T21:20:46 Z Trent The Big Prize (IOI17_prize) C++17
20 / 100
43 ms 1528 KB
#include "prize.h"
#include "bits/stdc++.h"
using namespace std;

#define forR(i, x) for(int i = 0; i < (x); ++i)
#define REP(i, a, b) for(int i = (a); i < (b); ++i)
struct pii{int a, b;};
typedef vector<int> vi;
vi getVal(int i, map<int, vi>& cache) {
    if(cache.count(i)) return cache[i];
    return cache[i] = ask(i);
}

void getBetter(int l, int r, int loid, int lOff, int rOff, map<int, vi>& cache) {
    assert(l <= r);
    int mid = (l + r) / 2;
    REP(ci, mid, r+1) {
        vi cv = getVal(ci, cache);
        if(cv[0] + cv[1] == loid) {
            if(cv[0] + lOff > 0) getBetter(l, ci - 1, loid, lOff, -cv[1], cache);
            if(cv[1] + rOff > 0) getBetter(ci+1, r, loid, -cv[0], rOff, cache);
            return; 
        }
    }
    for(int ci = mid - 1; ci >= l; --ci) {
        vi cv = getVal(ci, cache);
        if(cv[0] + cv[1] == loid) {
            if(cv[0] + lOff > 0) getBetter(l, ci - 1, loid, lOff, -cv[1], cache);
            if(cv[1] + rOff > 0) getBetter(ci+1, r, loid, -cv[0], rOff, cache);
            return; 
        }
    }
}

const int MV = 450;
int find_best(int n){
    map<int, vi> ca;
    forR(i, min(n, MV)) getVal(i, ca);
    int loVal = ca[0][0] + ca[0][1];
    forR(i, min(n, MV)) loVal = max(loVal, ca[i][0] + ca[i][1]);
    getBetter(0, n-1, loVal, 0, 0, ca);
    int bi = -1;
    for(auto [ci, cv] : ca) if(cv[0] + cv[1] == 0) {
        bi = ci;
    }
    assert(bi != -1);
    return bi;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 344 KB Output is correct
5 Correct 3 ms 424 KB Output is correct
6 Correct 2 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 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 464 KB Output is correct
9 Correct 3 ms 428 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 428 KB Output is correct
14 Correct 7 ms 644 KB Output is correct
15 Correct 21 ms 1112 KB Output is correct
16 Partially correct 21 ms 956 KB Partially correct - number of queries: 5206
17 Partially correct 30 ms 800 KB Partially correct - number of queries: 5209
18 Partially correct 17 ms 1112 KB Partially correct - number of queries: 5206
19 Correct 14 ms 892 KB Output is correct
20 Correct 10 ms 876 KB Output is correct
21 Partially correct 17 ms 1188 KB Partially correct - number of queries: 5174
22 Correct 15 ms 856 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 28 ms 764 KB Output is correct
26 Correct 20 ms 1112 KB Output is correct
27 Correct 3 ms 600 KB Output is correct
28 Correct 19 ms 848 KB Output is correct
29 Correct 24 ms 848 KB Output is correct
30 Partially correct 30 ms 764 KB Partially correct - number of queries: 5175
31 Partially correct 21 ms 764 KB Partially correct - number of queries: 5173
32 Correct 3 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Partially correct 22 ms 1492 KB Partially correct - number of queries: 5211
35 Correct 3 ms 344 KB Output is correct
36 Partially correct 17 ms 848 KB Partially correct - number of queries: 5174
37 Correct 5 ms 600 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Partially correct 22 ms 1348 KB Partially correct - number of queries: 5174
40 Correct 13 ms 916 KB Output is correct
41 Partially correct 24 ms 864 KB Partially correct - number of queries: 5210
42 Partially correct 16 ms 916 KB Partially correct - number of queries: 5210
43 Partially correct 25 ms 864 KB Partially correct - number of queries: 5076
44 Partially correct 24 ms 948 KB Partially correct - number of queries: 5209
45 Correct 19 ms 856 KB Output is correct
46 Partially correct 32 ms 1104 KB Partially correct - number of queries: 5208
47 Correct 24 ms 760 KB Output is correct
48 Partially correct 18 ms 1260 KB Partially correct - number of queries: 5208
49 Partially correct 30 ms 1100 KB Partially correct - number of queries: 5206
50 Partially correct 19 ms 1140 KB Partially correct - number of queries: 5211
51 Partially correct 16 ms 848 KB Partially correct - number of queries: 5205
52 Partially correct 22 ms 804 KB Partially correct - number of queries: 5209
53 Correct 3 ms 344 KB Output is correct
54 Partially correct 21 ms 1072 KB Partially correct - number of queries: 5178
55 Partially correct 21 ms 856 KB Partially correct - number of queries: 5207
56 Partially correct 21 ms 1420 KB Partially correct - number of queries: 5210
57 Partially correct 18 ms 956 KB Partially correct - number of queries: 5173
58 Partially correct 21 ms 948 KB Partially correct - number of queries: 5208
59 Partially correct 16 ms 1088 KB Partially correct - number of queries: 5214
60 Partially correct 14 ms 848 KB Partially correct - number of queries: 5172
61 Correct 3 ms 344 KB Output is correct
62 Correct 3 ms 344 KB Output is correct
63 Correct 3 ms 344 KB Output is correct
64 Correct 2 ms 344 KB Output is correct
65 Correct 2 ms 428 KB Output is correct
66 Correct 4 ms 340 KB Output is correct
67 Correct 3 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 3 ms 344 KB Output is correct
71 Partially correct 20 ms 900 KB Partially correct - number of queries: 5208
72 Correct 6 ms 856 KB Output is correct
73 Partially correct 21 ms 988 KB Partially correct - number of queries: 5145
74 Partially correct 19 ms 788 KB Partially correct - number of queries: 5172
75 Correct 4 ms 344 KB Output is correct
76 Correct 19 ms 848 KB Output is correct
77 Partially correct 20 ms 796 KB Partially correct - number of queries: 5333
78 Correct 5 ms 472 KB Output is correct
79 Correct 11 ms 848 KB Output is correct
80 Partially correct 33 ms 848 KB Partially correct - number of queries: 5324
81 Partially correct 20 ms 988 KB Partially correct - number of queries: 5324
82 Partially correct 20 ms 1104 KB Partially correct - number of queries: 5266
83 Correct 3 ms 344 KB Output is correct
84 Correct 21 ms 848 KB Output is correct
85 Partially correct 22 ms 1112 KB Partially correct - number of queries: 5288
86 Incorrect 43 ms 1528 KB Incorrect
87 Halted 0 ms 0 KB -