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답안 #894695

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
894695 2023-12-28T17:40:36 Z AgentPengin 역사적 조사 (JOI14_historical) C++17
40 / 100
 4000 ms 9172 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)

using namespace std;

const ll mod = 1e9 + 7;
const int inf = 0x1FFFFFFF;
const int MAXN = 1e5 + 5;
const int BLOCK_SIZE = 400;

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

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

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] += (ll)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(int, int, int, int, 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 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 4440 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 4524 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 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 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 4440 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 4524 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 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 3 ms 4444 KB Output is correct
18 Correct 4 ms 4440 KB Output is correct
19 Correct 10 ms 4444 KB Output is correct
20 Correct 23 ms 4700 KB Output is correct
21 Correct 40 ms 4776 KB Output is correct
22 Correct 42 ms 4772 KB Output is correct
23 Correct 37 ms 4696 KB Output is correct
24 Correct 38 ms 4696 KB Output is correct
25 Correct 48 ms 4756 KB Output is correct
26 Correct 43 ms 4700 KB Output is correct
27 Correct 43 ms 4700 KB Output is correct
28 Correct 49 ms 4700 KB Output is correct
29 Correct 45 ms 4700 KB Output is correct
30 Correct 45 ms 4780 KB Output is correct
31 Correct 45 ms 4772 KB Output is correct
32 Correct 39 ms 4776 KB Output is correct
33 Correct 43 ms 4768 KB Output is correct
34 Correct 44 ms 4772 KB Output is correct
35 Correct 44 ms 4772 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 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 2 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 3 ms 4444 KB Output is correct
8 Correct 6 ms 4696 KB Output is correct
9 Correct 15 ms 4956 KB Output is correct
10 Correct 13 ms 5340 KB Output is correct
11 Correct 67 ms 7576 KB Output is correct
12 Correct 43 ms 5852 KB Output is correct
13 Correct 65 ms 6356 KB Output is correct
14 Correct 68 ms 7168 KB Output is correct
15 Correct 80 ms 7996 KB Output is correct
16 Correct 63 ms 7004 KB Output is correct
17 Correct 39 ms 6360 KB Output is correct
18 Correct 55 ms 7632 KB Output is correct
19 Correct 49 ms 7636 KB Output is correct
20 Correct 28 ms 6360 KB Output is correct

Subtask #4
0 / 60.0

# 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 4440 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 4524 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 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 3 ms 4444 KB Output is correct
18 Correct 4 ms 4440 KB Output is correct
19 Correct 10 ms 4444 KB Output is correct
20 Correct 23 ms 4700 KB Output is correct
21 Correct 40 ms 4776 KB Output is correct
22 Correct 42 ms 4772 KB Output is correct
23 Correct 37 ms 4696 KB Output is correct
24 Correct 38 ms 4696 KB Output is correct
25 Correct 48 ms 4756 KB Output is correct
26 Correct 43 ms 4700 KB Output is correct
27 Correct 43 ms 4700 KB Output is correct
28 Correct 49 ms 4700 KB Output is correct
29 Correct 45 ms 4700 KB Output is correct
30 Correct 45 ms 4780 KB Output is correct
31 Correct 45 ms 4772 KB Output is correct
32 Correct 39 ms 4776 KB Output is correct
33 Correct 43 ms 4768 KB Output is correct
34 Correct 44 ms 4772 KB Output is correct
35 Correct 44 ms 4772 KB Output is correct
36 Correct 1 ms 4440 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 2 ms 4444 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4444 KB Output is correct
43 Correct 6 ms 4696 KB Output is correct
44 Correct 15 ms 4956 KB Output is correct
45 Correct 13 ms 5340 KB Output is correct
46 Correct 67 ms 7576 KB Output is correct
47 Correct 43 ms 5852 KB Output is correct
48 Correct 65 ms 6356 KB Output is correct
49 Correct 68 ms 7168 KB Output is correct
50 Correct 80 ms 7996 KB Output is correct
51 Correct 63 ms 7004 KB Output is correct
52 Correct 39 ms 6360 KB Output is correct
53 Correct 55 ms 7632 KB Output is correct
54 Correct 49 ms 7636 KB Output is correct
55 Correct 28 ms 6360 KB Output is correct
56 Correct 99 ms 4952 KB Output is correct
57 Correct 292 ms 5316 KB Output is correct
58 Correct 638 ms 5808 KB Output is correct
59 Correct 920 ms 6064 KB Output is correct
60 Correct 1384 ms 6316 KB Output is correct
61 Correct 1929 ms 6788 KB Output is correct
62 Correct 2121 ms 7284 KB Output is correct
63 Correct 2040 ms 7772 KB Output is correct
64 Correct 2278 ms 8000 KB Output is correct
65 Correct 2522 ms 8240 KB Output is correct
66 Correct 2652 ms 8228 KB Output is correct
67 Correct 3861 ms 8248 KB Output is correct
68 Execution timed out 4049 ms 9172 KB Time limit exceeded
69 Halted 0 ms 0 KB -