답안 #894693

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
894693 2023-12-28T17:39:17 Z AgentPengin 역사적 조사 (JOI14_historical) C++17
40 / 100
4000 ms 8232 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 = 320;

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);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# 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 4440 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
# 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 4440 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 4444 KB Output is correct
18 Correct 4 ms 4444 KB Output is correct
19 Correct 8 ms 4444 KB Output is correct
20 Correct 21 ms 4856 KB Output is correct
21 Correct 34 ms 4772 KB Output is correct
22 Correct 37 ms 4760 KB Output is correct
23 Correct 37 ms 4772 KB Output is correct
24 Correct 32 ms 4696 KB Output is correct
25 Correct 37 ms 4700 KB Output is correct
26 Correct 40 ms 4700 KB Output is correct
27 Correct 42 ms 4768 KB Output is correct
28 Correct 42 ms 4896 KB Output is correct
29 Correct 38 ms 4776 KB Output is correct
30 Correct 40 ms 4700 KB Output is correct
31 Correct 33 ms 4772 KB Output is correct
32 Correct 30 ms 4776 KB Output is correct
33 Correct 38 ms 4700 KB Output is correct
34 Correct 37 ms 4760 KB Output is correct
35 Correct 37 ms 4700 KB Output is correct
# 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 1 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 3 ms 4700 KB Output is correct
8 Correct 6 ms 4700 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 13 ms 5344 KB Output is correct
11 Correct 58 ms 7484 KB Output is correct
12 Correct 43 ms 5760 KB Output is correct
13 Correct 56 ms 6352 KB Output is correct
14 Correct 68 ms 7164 KB Output is correct
15 Correct 82 ms 8052 KB Output is correct
16 Correct 60 ms 7104 KB Output is correct
17 Correct 38 ms 6452 KB Output is correct
18 Correct 54 ms 7636 KB Output is correct
19 Correct 52 ms 7900 KB Output is correct
20 Correct 29 ms 6364 KB Output is correct
# 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 4440 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 4444 KB Output is correct
18 Correct 4 ms 4444 KB Output is correct
19 Correct 8 ms 4444 KB Output is correct
20 Correct 21 ms 4856 KB Output is correct
21 Correct 34 ms 4772 KB Output is correct
22 Correct 37 ms 4760 KB Output is correct
23 Correct 37 ms 4772 KB Output is correct
24 Correct 32 ms 4696 KB Output is correct
25 Correct 37 ms 4700 KB Output is correct
26 Correct 40 ms 4700 KB Output is correct
27 Correct 42 ms 4768 KB Output is correct
28 Correct 42 ms 4896 KB Output is correct
29 Correct 38 ms 4776 KB Output is correct
30 Correct 40 ms 4700 KB Output is correct
31 Correct 33 ms 4772 KB Output is correct
32 Correct 30 ms 4776 KB Output is correct
33 Correct 38 ms 4700 KB Output is correct
34 Correct 37 ms 4760 KB Output is correct
35 Correct 37 ms 4700 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 1 ms 4444 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4700 KB Output is correct
43 Correct 6 ms 4700 KB Output is correct
44 Correct 12 ms 4956 KB Output is correct
45 Correct 13 ms 5344 KB Output is correct
46 Correct 58 ms 7484 KB Output is correct
47 Correct 43 ms 5760 KB Output is correct
48 Correct 56 ms 6352 KB Output is correct
49 Correct 68 ms 7164 KB Output is correct
50 Correct 82 ms 8052 KB Output is correct
51 Correct 60 ms 7104 KB Output is correct
52 Correct 38 ms 6452 KB Output is correct
53 Correct 54 ms 7636 KB Output is correct
54 Correct 52 ms 7900 KB Output is correct
55 Correct 29 ms 6364 KB Output is correct
56 Correct 83 ms 4956 KB Output is correct
57 Correct 271 ms 5336 KB Output is correct
58 Correct 559 ms 5816 KB Output is correct
59 Correct 951 ms 6068 KB Output is correct
60 Correct 1485 ms 6296 KB Output is correct
61 Correct 2062 ms 6788 KB Output is correct
62 Correct 2308 ms 7284 KB Output is correct
63 Correct 2157 ms 7772 KB Output is correct
64 Correct 2514 ms 8068 KB Output is correct
65 Correct 2838 ms 8232 KB Output is correct
66 Correct 2943 ms 8224 KB Output is correct
67 Execution timed out 4093 ms 7148 KB Time limit exceeded
68 Halted 0 ms 0 KB -