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답안 #894690

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
894690 2023-12-28T17:37:21 Z AgentPengin 역사적 조사 (JOI14_historical) C++17
40 / 100
 4000 ms 11008 KB 
/**
 *    author:  AgentPengin ( Độc cô cầu bại )
 *    created: 23.12.2022 10:08:02
 *    too lazy to update time
**/
#pragma GCC optimize(3)
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC target("avx","sse2")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>

#define EL '\n'
#define fi first
#define se second
#define NAME "TASK"
#define ll long long
#define lcm(a,b) (a/gcd(a,b))*b
#define db(val) "["#val" = " << (val) << "] "
#define bend(v) (v).begin(),(v).end()
#define sz(v) (int)(v).size()
#define ex exit(0)
#define int ll

using namespace std;

const ll mod = 1e9 + 7;
const int inf = 0x1FFFFFFF;
const int MAXN = 1e5 + 5;
const int BLOCK_SIZE = 320;

struct Queries {
	int l,r,id;
} query[MAXN];

int n,a[MAXN],b[MAXN],c[MAXN],q,L = 1,R = 0,ans[MAXN];
vector<int> values;
int st[MAXN << 2];

void update(int pos,int val,int id = 1,int l = 0,int r = sz(values) -  1) {
	if (pos < l || pos > r) return;
	if (l == r) {
		st[id] += val;
		return;
	}
	int mid = l + r >> 1;
	if (pos <= mid) update(pos,val,id << 1,l,mid);
	else update(pos,val,id << 1 | 1,mid + 1,r);
	st[id] = max(st[id << 1],st[id << 1 | 1]);
}

signed main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    if (ifstream(NAME".inp")) {
        freopen(NAME".inp","r",stdin);
        freopen(NAME".out","w",stdout);
    }
    cin >> n >> q;
    for (int i = 1;i <= n;i++) {
    	cin >> a[i];
		values.push_back(a[i]);    	
    }
    sort(bend(values));
	for (int i = 1;i <= n;i++) {
		b[i] = lower_bound(bend(values),a[i]) - values.begin();
		c[b[i]] = a[i];
	}
	for (int i = 1;i <=q ;i++) {
		cin >> query[i].l >> query[i].r;
		query[i].id = i;
	}
	sort(query + 1,query + q + 1,[&](const Queries& A,const Queries& B){
		if (A.l / BLOCK_SIZE != B.l / BLOCK_SIZE) return A.l / BLOCK_SIZE < B.l / BLOCK_SIZE;
		else return A.r < B.r;
	});
	for (int i = 1;i <= q;i++) {
		int l = query[i].l;
		int r = query[i].r;
		int id = query[i].id;
		while(L < l) {
			update(b[L],-values[b[L]]);
			++L;
		}
		while(L > l) {
			--L;
			update(b[L],+values[b[L]]);
		}
		while(R < r) {
			++R;
			update(b[R],+values[b[R]]);
		}
		while(R > r) {
			update(b[R],-values[b[R]]);
			--R;
		}
		
		
		ans[id] = st[1];
	}
	for (int i = 1;i <= q;i++) cout << ans[i] << EL;
	
    cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
    return 0;
}
// agent pengin wants to take apio (with anya-san)

Compilation message

historic.cpp: In function 'void update(long long int, long long int, long long int, long long int, long long int)':
historic.cpp:53:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |  int mid = l + r >> 1;
      |            ~~^~~
historic.cpp: In function 'int main()':
historic.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen(NAME".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
historic.cpp:63:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen(NAME".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4588 KB Output is correct
18 Correct 4 ms 4444 KB Output is correct
19 Correct 8 ms 4444 KB Output is correct
20 Correct 20 ms 6748 KB Output is correct
21 Correct 34 ms 6844 KB Output is correct
22 Correct 35 ms 6848 KB Output is correct
23 Correct 32 ms 6828 KB Output is correct
24 Correct 32 ms 6824 KB Output is correct
25 Correct 36 ms 6744 KB Output is correct
26 Correct 39 ms 6748 KB Output is correct
27 Correct 37 ms 6748 KB Output is correct
28 Correct 36 ms 6744 KB Output is correct
29 Correct 37 ms 6748 KB Output is correct
30 Correct 37 ms 6744 KB Output is correct
31 Correct 32 ms 6812 KB Output is correct
32 Correct 29 ms 6748 KB Output is correct
33 Correct 37 ms 6744 KB Output is correct
34 Correct 37 ms 6848 KB Output is correct
35 Correct 37 ms 6748 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 3 ms 4700 KB Output is correct
8 Correct 6 ms 7256 KB Output is correct
9 Correct 12 ms 6972 KB Output is correct
10 Correct 13 ms 7132 KB Output is correct
11 Correct 57 ms 10192 KB Output is correct
12 Correct 44 ms 7640 KB Output is correct
13 Correct 56 ms 9932 KB Output is correct
14 Correct 67 ms 10260 KB Output is correct
15 Correct 100 ms 10864 KB Output is correct
16 Correct 56 ms 10188 KB Output is correct
17 Correct 38 ms 9840 KB Output is correct
18 Correct 59 ms 10516 KB Output is correct
19 Correct 47 ms 10440 KB Output is correct
20 Correct 28 ms 9944 KB Output is correct

Subtask #4
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4588 KB Output is correct
18 Correct 4 ms 4444 KB Output is correct
19 Correct 8 ms 4444 KB Output is correct
20 Correct 20 ms 6748 KB Output is correct
21 Correct 34 ms 6844 KB Output is correct
22 Correct 35 ms 6848 KB Output is correct
23 Correct 32 ms 6828 KB Output is correct
24 Correct 32 ms 6824 KB Output is correct
25 Correct 36 ms 6744 KB Output is correct
26 Correct 39 ms 6748 KB Output is correct
27 Correct 37 ms 6748 KB Output is correct
28 Correct 36 ms 6744 KB Output is correct
29 Correct 37 ms 6748 KB Output is correct
30 Correct 37 ms 6744 KB Output is correct
31 Correct 32 ms 6812 KB Output is correct
32 Correct 29 ms 6748 KB Output is correct
33 Correct 37 ms 6744 KB Output is correct
34 Correct 37 ms 6848 KB Output is correct
35 Correct 37 ms 6748 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 2 ms 4700 KB Output is correct
42 Correct 3 ms 4700 KB Output is correct
43 Correct 6 ms 7256 KB Output is correct
44 Correct 12 ms 6972 KB Output is correct
45 Correct 13 ms 7132 KB Output is correct
46 Correct 57 ms 10192 KB Output is correct
47 Correct 44 ms 7640 KB Output is correct
48 Correct 56 ms 9932 KB Output is correct
49 Correct 67 ms 10260 KB Output is correct
50 Correct 100 ms 10864 KB Output is correct
51 Correct 56 ms 10188 KB Output is correct
52 Correct 38 ms 9840 KB Output is correct
53 Correct 59 ms 10516 KB Output is correct
54 Correct 47 ms 10440 KB Output is correct
55 Correct 28 ms 9944 KB Output is correct
56 Correct 83 ms 9008 KB Output is correct
57 Correct 272 ms 9140 KB Output is correct
58 Correct 545 ms 9448 KB Output is correct
59 Correct 897 ms 9532 KB Output is correct
60 Correct 1355 ms 9612 KB Output is correct
61 Correct 1896 ms 9944 KB Output is correct
62 Correct 2231 ms 10280 KB Output is correct
63 Correct 2107 ms 10588 KB Output is correct
64 Correct 2456 ms 10612 KB Output is correct
65 Correct 2682 ms 10864 KB Output is correct
66 Correct 2813 ms 10944 KB Output is correct
67 Execution timed out 4051 ms 11008 KB Time limit exceeded
68 Halted 0 ms 0 KB -