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Submission #259619

# Submission time Handle Problem Language Result Execution time Memory
259619 2020-08-08T04:37:36 Z 송준혁(#5058) 역사적 조사 (JOI14_historical) C++17
100 / 100
 2503 ms 11984 KB 
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define Mup(a,x) a=max(a, x)
#define mup(a,x) a=min(a, x)
#define all(v) v.begin(),v.end()
#define lb lower_bound
#define INF (1ll<<60)
using namespace std;
typedef long long LL;
typedef pair<LL,LL> pii;

int N, Q, B=200;
LL A[101010], C[101010];
LL P[550][550];
vector<int> comp, V[101010];

int main(){
	scanf("%d %d", &N, &Q);
	for (int i=0; i<N; i++){
		scanf("%lld", &A[i]);
		comp.pb(A[i]);
	}
	sort(comp.begin(), comp.end());
	comp.erase(unique(comp.begin(), comp.end()), comp.end());
	for (int i=0; i<N; i++){
		A[i] = lower_bound(comp.begin(), comp.end(), A[i])-comp.begin();
		V[A[i]].pb(i);
	}
	for (int i=0; B*i<N; i++){
		LL mx=0;
		for (int j=0; j<N; j++) C[j]=0;
		for (int j=i; B*j<N; j++){
			for (int k=0; k<B && j*B+k<N; k++){
				C[A[j*B+k]] += comp[A[j*B+k]];
				mx = max(mx, C[A[j*B+k]]);
			}
			P[i][j] = mx;
		}
	}
	while (Q--){
		int l, r, s, e;
		scanf("%d %d", &l, &r); l--, r--;
		s=l, e=r;
		LL ans = 0;
		while (s<=e && s%B){
			Mup(ans, (LL)comp[A[s]] * (upper_bound(all(V[A[s]]), r) - lower_bound(all(V[A[s]]), l)));
			s++;
		}
		while (s<=e && e%B != B-1){
			Mup(ans, (LL)comp[A[e]] * (upper_bound(all(V[A[e]]), r) - lower_bound(all(V[A[e]]), l)));
			e--;
		}
		if (s<e) Mup(ans, P[s/B][e/B]);
		printf("%lld\n", ans);
	}
	return 0;
}

Compilation message

historic.cpp: In function 'int main()':
historic.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &Q);
  ~~~~~^~~~~~~~~~~~~~~~~
historic.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &A[i]);
   ~~~~~^~~~~~~~~~~~~~~
historic.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &l, &r); l--, r--;
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2596 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 3 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2816 KB Output is correct
12 Correct 3 ms 2560 KB Output is correct
13 Correct 2 ms 2560 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2596 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 3 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2816 KB Output is correct
12 Correct 3 ms 2560 KB Output is correct
13 Correct 2 ms 2560 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 9 ms 2816 KB Output is correct
19 Correct 19 ms 2816 KB Output is correct
20 Correct 41 ms 2880 KB Output is correct
21 Correct 77 ms 3072 KB Output is correct
22 Correct 68 ms 3084 KB Output is correct
23 Correct 83 ms 3064 KB Output is correct
24 Correct 82 ms 3064 KB Output is correct
25 Correct 40 ms 3072 KB Output is correct
26 Correct 41 ms 3072 KB Output is correct
27 Correct 45 ms 3072 KB Output is correct
28 Correct 47 ms 3072 KB Output is correct
29 Correct 51 ms 3072 KB Output is correct
30 Correct 47 ms 3072 KB Output is correct
31 Correct 81 ms 3072 KB Output is correct
32 Correct 60 ms 3072 KB Output is correct
33 Correct 47 ms 3072 KB Output is correct
34 Correct 37 ms 3072 KB Output is correct
35 Correct 35 ms 3072 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 4 ms 2816 KB Output is correct
6 Correct 4 ms 2944 KB Output is correct
7 Correct 6 ms 3072 KB Output is correct
8 Correct 10 ms 3456 KB Output is correct
9 Correct 23 ms 4224 KB Output is correct
10 Correct 52 ms 5620 KB Output is correct
11 Correct 1002 ms 9452 KB Output is correct
12 Correct 134 ms 8176 KB Output is correct
13 Correct 406 ms 8624 KB Output is correct
14 Correct 450 ms 9580 KB Output is correct
15 Correct 229 ms 10480 KB Output is correct
16 Correct 286 ms 11248 KB Output is correct
17 Correct 498 ms 8172 KB Output is correct
18 Correct 1025 ms 8944 KB Output is correct
19 Correct 278 ms 11632 KB Output is correct
20 Correct 167 ms 10996 KB Output is correct

Subtask #4
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2596 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 3 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2816 KB Output is correct
12 Correct 3 ms 2560 KB Output is correct
13 Correct 2 ms 2560 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 9 ms 2816 KB Output is correct
19 Correct 19 ms 2816 KB Output is correct
20 Correct 41 ms 2880 KB Output is correct
21 Correct 77 ms 3072 KB Output is correct
22 Correct 68 ms 3084 KB Output is correct
23 Correct 83 ms 3064 KB Output is correct
24 Correct 82 ms 3064 KB Output is correct
25 Correct 40 ms 3072 KB Output is correct
26 Correct 41 ms 3072 KB Output is correct
27 Correct 45 ms 3072 KB Output is correct
28 Correct 47 ms 3072 KB Output is correct
29 Correct 51 ms 3072 KB Output is correct
30 Correct 47 ms 3072 KB Output is correct
31 Correct 81 ms 3072 KB Output is correct
32 Correct 60 ms 3072 KB Output is correct
33 Correct 47 ms 3072 KB Output is correct
34 Correct 37 ms 3072 KB Output is correct
35 Correct 35 ms 3072 KB Output is correct
36 Correct 2 ms 2688 KB Output is correct
37 Correct 2 ms 2688 KB Output is correct
38 Correct 2 ms 2688 KB Output is correct
39 Correct 2 ms 2688 KB Output is correct
40 Correct 4 ms 2816 KB Output is correct
41 Correct 4 ms 2944 KB Output is correct
42 Correct 6 ms 3072 KB Output is correct
43 Correct 10 ms 3456 KB Output is correct
44 Correct 23 ms 4224 KB Output is correct
45 Correct 52 ms 5620 KB Output is correct
46 Correct 1002 ms 9452 KB Output is correct
47 Correct 134 ms 8176 KB Output is correct
48 Correct 406 ms 8624 KB Output is correct
49 Correct 450 ms 9580 KB Output is correct
50 Correct 229 ms 10480 KB Output is correct
51 Correct 286 ms 11248 KB Output is correct
52 Correct 498 ms 8172 KB Output is correct
53 Correct 1025 ms 8944 KB Output is correct
54 Correct 278 ms 11632 KB Output is correct
55 Correct 167 ms 10996 KB Output is correct
56 Correct 181 ms 3448 KB Output is correct
57 Correct 318 ms 4216 KB Output is correct
58 Correct 363 ms 5172 KB Output is correct
59 Correct 420 ms 5876 KB Output is correct
60 Correct 521 ms 6800 KB Output is correct
61 Correct 952 ms 7092 KB Output is correct
62 Correct 1572 ms 7752 KB Output is correct
63 Correct 1913 ms 8636 KB Output is correct
64 Correct 1804 ms 9072 KB Output is correct
65 Correct 1347 ms 9500 KB Output is correct
66 Correct 2098 ms 10708 KB Output is correct
67 Correct 2503 ms 10476 KB Output is correct
68 Correct 1735 ms 11044 KB Output is correct
69 Correct 1120 ms 11228 KB Output is correct
70 Correct 942 ms 11984 KB Output is correct
71 Correct 1027 ms 11520 KB Output is correct
72 Correct 1128 ms 11484 KB Output is correct
73 Correct 1109 ms 11340 KB Output is correct
74 Correct 1120 ms 11376 KB Output is correct
75 Correct 1171 ms 11396 KB Output is correct
76 Correct 1190 ms 11248 KB Output is correct
77 Correct 1250 ms 11208 KB Output is correct
78 Correct 1298 ms 11288 KB Output is correct
79 Correct 1270 ms 11244 KB Output is correct
80 Correct 1311 ms 11152 KB Output is correct