oj.uz

Submission #1119569

# Submission time Handle Problem Language Result Execution time Memory
1119569 2024-11-27T06:46:54 Z modwwe 역사적 조사 (JOI14_historical) C++17
100 / 100
 1298 ms 17740 KB 
#define _CRT_SECURE_NO_WARNINGS
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <string>
#include <functional>
#include <vector>
#include <deque>
#include <utility>
#include <bitset>
#include <limits.h> 
#include <time.h>
 
using namespace std;
typedef long long ll;
typedef unsigned long long llu;
typedef double lf;
typedef unsigned int uint;
typedef long double llf;
typedef pair<int, int> pii;
 
const int N_ = 150005;
const int B = 110;
int N, Q, X[N_], S[N_], SN, P[N_];
vector<int> W[N_];
ll precalc[N_/B][N_/B], C[N_];
 
int main() {
    scanf("%d%d", &N, &Q);
    for(int i = 0; i < N; i++) {
        scanf("%d", X+i);
        S[i] = X[i];
    }
 
    sort(S, S+N);
    SN = unique(S, S+N) - S;
     
    for(int i = 0; i < N; i++) {
        P[i] = lower_bound(S, S+SN, X[i]) - S;
        W[P[i]].push_back(i);
    }
 
    for(int i = 0; i < N; i += B) {
        for(int j = 0; j < N; j++) C[j] = 0;
        ll val = 0;
        for(int j = i; j < N; j++) {
            C[P[j]] += (ll)X[j];
            if(val < C[P[j]]) val = C[P[j]];
            if(j % B == 0) precalc[i/B][j/B] = val;
        }
    }
 
    while(Q--) {
        int a, b; scanf("%d%d", &a, &b); --a; --b;
        int x = a, y = b;
        ll ans = 0;
        for(; x % B != 0; ++x) {
            ll val = (ll)X[x] * (lower_bound(W[P[x]].begin(), W[P[x]].end(), b+1) - lower_bound(W[P[x]].begin(), W[P[x]].end(), a));
            if(val > ans) ans = val;
        }
        for(; y % B != 0; --y) {
            ll val = (ll)X[y] * (lower_bound(W[P[y]].begin(), W[P[y]].end(), b+1) - lower_bound(W[P[y]].begin(), W[P[y]].end(), a));
            if(val > ans) ans = val;
        }
        ans = max(ans, precalc[x/B][y/B]);
 
        printf("%lld\n", ans);
    }
 
    return 0;
}

Compilation message

historic.cpp: In function 'int main()':
historic.cpp:38:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |     scanf("%d%d", &N, &Q);
      |     ~~~~~^~~~~~~~~~~~~~~~
historic.cpp:40:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |         scanf("%d", X+i);
      |         ~~~~~^~~~~~~~~~~
historic.cpp:63:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         int a, b; scanf("%d%d", &a, &b); --a; --b;
      |                   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3920 KB Output is correct
2 Correct 3 ms 3920 KB Output is correct
3 Correct 4 ms 3924 KB Output is correct
4 Correct 4 ms 3920 KB Output is correct
5 Correct 3 ms 3920 KB Output is correct
6 Correct 4 ms 3920 KB Output is correct
7 Correct 4 ms 3920 KB Output is correct
8 Correct 4 ms 4088 KB Output is correct
9 Correct 4 ms 3920 KB Output is correct
10 Correct 3 ms 3920 KB Output is correct
11 Correct 3 ms 3920 KB Output is correct
12 Correct 3 ms 3920 KB Output is correct
13 Correct 3 ms 3920 KB Output is correct
14 Correct 4 ms 3968 KB Output is correct
15 Correct 5 ms 4176 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3920 KB Output is correct
2 Correct 3 ms 3920 KB Output is correct
3 Correct 4 ms 3924 KB Output is correct
4 Correct 4 ms 3920 KB Output is correct
5 Correct 3 ms 3920 KB Output is correct
6 Correct 4 ms 3920 KB Output is correct
7 Correct 4 ms 3920 KB Output is correct
8 Correct 4 ms 4088 KB Output is correct
9 Correct 4 ms 3920 KB Output is correct
10 Correct 3 ms 3920 KB Output is correct
11 Correct 3 ms 3920 KB Output is correct
12 Correct 3 ms 3920 KB Output is correct
13 Correct 3 ms 3920 KB Output is correct
14 Correct 4 ms 3968 KB Output is correct
15 Correct 5 ms 4176 KB Output is correct
16 Correct 4 ms 3920 KB Output is correct
17 Correct 5 ms 3920 KB Output is correct
18 Correct 6 ms 4028 KB Output is correct
19 Correct 13 ms 3920 KB Output is correct
20 Correct 21 ms 4176 KB Output is correct
21 Correct 36 ms 4176 KB Output is correct
22 Correct 32 ms 4176 KB Output is correct
23 Correct 38 ms 4176 KB Output is correct
24 Correct 41 ms 4444 KB Output is correct
25 Correct 23 ms 4176 KB Output is correct
26 Correct 25 ms 4308 KB Output is correct
27 Correct 22 ms 4176 KB Output is correct
28 Correct 22 ms 4176 KB Output is correct
29 Correct 25 ms 4176 KB Output is correct
30 Correct 22 ms 4360 KB Output is correct
31 Correct 37 ms 4424 KB Output is correct
32 Correct 22 ms 4176 KB Output is correct
33 Correct 24 ms 4176 KB Output is correct
34 Correct 20 ms 4336 KB Output is correct
35 Correct 18 ms 4176 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3920 KB Output is correct
2 Correct 3 ms 3920 KB Output is correct
3 Correct 3 ms 3920 KB Output is correct
4 Correct 3 ms 3920 KB Output is correct
5 Correct 5 ms 3920 KB Output is correct
6 Correct 5 ms 4176 KB Output is correct
7 Correct 6 ms 4176 KB Output is correct
8 Correct 9 ms 4688 KB Output is correct
9 Correct 17 ms 5704 KB Output is correct
10 Correct 52 ms 8116 KB Output is correct
11 Correct 658 ms 13896 KB Output is correct
12 Correct 124 ms 13384 KB Output is correct
13 Correct 223 ms 13640 KB Output is correct
14 Correct 326 ms 14408 KB Output is correct
15 Correct 482 ms 15368 KB Output is correct
16 Correct 247 ms 16184 KB Output is correct
17 Correct 221 ms 13384 KB Output is correct
18 Correct 311 ms 13908 KB Output is correct
19 Correct 206 ms 17124 KB Output is correct
20 Correct 119 ms 15888 KB Output is correct

Subtask #4
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3920 KB Output is correct
2 Correct 3 ms 3920 KB Output is correct
3 Correct 4 ms 3924 KB Output is correct
4 Correct 4 ms 3920 KB Output is correct
5 Correct 3 ms 3920 KB Output is correct
6 Correct 4 ms 3920 KB Output is correct
7 Correct 4 ms 3920 KB Output is correct
8 Correct 4 ms 4088 KB Output is correct
9 Correct 4 ms 3920 KB Output is correct
10 Correct 3 ms 3920 KB Output is correct
11 Correct 3 ms 3920 KB Output is correct
12 Correct 3 ms 3920 KB Output is correct
13 Correct 3 ms 3920 KB Output is correct
14 Correct 4 ms 3968 KB Output is correct
15 Correct 5 ms 4176 KB Output is correct
16 Correct 4 ms 3920 KB Output is correct
17 Correct 5 ms 3920 KB Output is correct
18 Correct 6 ms 4028 KB Output is correct
19 Correct 13 ms 3920 KB Output is correct
20 Correct 21 ms 4176 KB Output is correct
21 Correct 36 ms 4176 KB Output is correct
22 Correct 32 ms 4176 KB Output is correct
23 Correct 38 ms 4176 KB Output is correct
24 Correct 41 ms 4444 KB Output is correct
25 Correct 23 ms 4176 KB Output is correct
26 Correct 25 ms 4308 KB Output is correct
27 Correct 22 ms 4176 KB Output is correct
28 Correct 22 ms 4176 KB Output is correct
29 Correct 25 ms 4176 KB Output is correct
30 Correct 22 ms 4360 KB Output is correct
31 Correct 37 ms 4424 KB Output is correct
32 Correct 22 ms 4176 KB Output is correct
33 Correct 24 ms 4176 KB Output is correct
34 Correct 20 ms 4336 KB Output is correct
35 Correct 18 ms 4176 KB Output is correct
36 Correct 3 ms 3920 KB Output is correct
37 Correct 3 ms 3920 KB Output is correct
38 Correct 3 ms 3920 KB Output is correct
39 Correct 3 ms 3920 KB Output is correct
40 Correct 5 ms 3920 KB Output is correct
41 Correct 5 ms 4176 KB Output is correct
42 Correct 6 ms 4176 KB Output is correct
43 Correct 9 ms 4688 KB Output is correct
44 Correct 17 ms 5704 KB Output is correct
45 Correct 52 ms 8116 KB Output is correct
46 Correct 658 ms 13896 KB Output is correct
47 Correct 124 ms 13384 KB Output is correct
48 Correct 223 ms 13640 KB Output is correct
49 Correct 326 ms 14408 KB Output is correct
50 Correct 482 ms 15368 KB Output is correct
51 Correct 247 ms 16184 KB Output is correct
52 Correct 221 ms 13384 KB Output is correct
53 Correct 311 ms 13908 KB Output is correct
54 Correct 206 ms 17124 KB Output is correct
55 Correct 119 ms 15888 KB Output is correct
56 Correct 84 ms 4680 KB Output is correct
57 Correct 150 ms 5448 KB Output is correct
58 Correct 160 ms 6240 KB Output is correct
59 Correct 210 ms 7924 KB Output is correct
60 Correct 284 ms 8412 KB Output is correct
61 Correct 467 ms 9540 KB Output is correct
62 Correct 749 ms 11592 KB Output is correct
63 Correct 866 ms 12036 KB Output is correct
64 Correct 773 ms 13236 KB Output is correct
65 Correct 542 ms 14272 KB Output is correct
66 Correct 816 ms 14340 KB Output is correct
67 Correct 1298 ms 14508 KB Output is correct
68 Correct 879 ms 14444 KB Output is correct
69 Correct 635 ms 16972 KB Output is correct
70 Correct 558 ms 17740 KB Output is correct
71 Correct 590 ms 17228 KB Output is correct
72 Correct 571 ms 17140 KB Output is correct
73 Correct 621 ms 17228 KB Output is correct
74 Correct 603 ms 17164 KB Output is correct
75 Correct 637 ms 17064 KB Output is correct
76 Correct 689 ms 16876 KB Output is correct
77 Correct 682 ms 17024 KB Output is correct
78 Correct 665 ms 16976 KB Output is correct
79 Correct 699 ms 16992 KB Output is correct
80 Correct 497 ms 16716 KB Output is correct