oj.uz

Submission #847795

# Submission time Handle Problem Language Result Execution time Memory
847795 2023-09-10T12:29:23 Z sentheta Art Exhibition (JOI18_art) C++17
100 / 100
 133 ms 24008 KB 
// author : sentheta aka vanwij
#ifdef VANWIJ
	#include"/home/user/code/bits/stdc++.h"
	#define DBG 1
#else
	#include"bits/stdc++.h"
	#define DBG 0
#endif
using namespace std;

#define Int long long
#define V vector
#define pii pair<int,int>
#define ff first
#define ss second

static mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

#define pow2(x) (1LL<<(x))
#define msb(x) (63-__builtin_clzll(x))
#define bitcnt(x) (__builtin_popcountll(x))

#define nl '\n'
#define _ << ' ' <<
#define all(x) (x).begin(), (x).end()
#define rep(i,a,b) for(int i = (int)(a); i < (int)(b); i++)

#define cerr if(DBG) cout
#define dbg(x) {cerr << "?" << #x << " : " << (x) << endl << flush;}

#define int long long
// const Int MOD = 1e9+7;
const Int MOD = 998244353;
Int bpow(Int a,Int b){
	Int ret = 1;
	for(;b; a=a*a%MOD,b/=2) if(b&1) ret = ret*a%MOD;
	return ret;
}
Int inv(Int a){return bpow(a,MOD-2);}

void solve(); int TC, ALLTC;
signed main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(7);
	// cin >> ALLTC; for(TC=1; TC<=ALLTC; TC++) solve(); return 0;
	solve();
}










const int N = 5e5+5;

int n;

pii p[N];
int a[N], b[N];

int prf[N];
int best[N];

void solve(){
	
	cin >> n;
	
	rep(i,0,n){
		cin >> p[i].ff >> p[i].ss;
	}
	sort(p, p+n);
	rep(i,0,n){
		a[i] = p[i].ff;
		b[i] = p[i].ss;
	}
	
	
	rep(i,0,n){
		prf[i] = b[i];
		if(i){
			prf[i] += prf[i-1];
		}
	}
	for(int i=n-1; i>=0; i--){
		best[i] = prf[i]-a[i];
		if(i<n-1){
			best[i] = max(best[i], best[i+1]);
		}
	}
	
	int ans = 0;
	rep(i,0,n){
		int val = best[i] + a[i];
		if(i) val -= prf[i-1];
		
		ans = max(ans, val);
	}
	
	cout << ans << nl;
	
	
	
	
	
	
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 8536 KB Output is correct
3 Correct 1 ms 8536 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 2 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 8536 KB Output is correct
3 Correct 1 ms 8536 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 2 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8536 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 1 ms 8536 KB Output is correct
16 Correct 1 ms 8536 KB Output is correct
17 Correct 1 ms 8536 KB Output is correct
18 Correct 1 ms 8536 KB Output is correct
19 Correct 1 ms 8536 KB Output is correct
20 Correct 1 ms 8536 KB Output is correct
21 Correct 2 ms 8540 KB Output is correct
22 Correct 2 ms 8536 KB Output is correct
23 Correct 2 ms 8536 KB Output is correct
24 Correct 1 ms 8536 KB Output is correct
25 Correct 1 ms 8536 KB Output is correct
26 Correct 1 ms 8540 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 8536 KB Output is correct
3 Correct 1 ms 8536 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 2 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8536 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 1 ms 8536 KB Output is correct
16 Correct 1 ms 8536 KB Output is correct
17 Correct 1 ms 8536 KB Output is correct
18 Correct 1 ms 8536 KB Output is correct
19 Correct 1 ms 8536 KB Output is correct
20 Correct 1 ms 8536 KB Output is correct
21 Correct 2 ms 8540 KB Output is correct
22 Correct 2 ms 8536 KB Output is correct
23 Correct 2 ms 8536 KB Output is correct
24 Correct 1 ms 8536 KB Output is correct
25 Correct 1 ms 8536 KB Output is correct
26 Correct 1 ms 8540 KB Output is correct
27 Correct 2 ms 8540 KB Output is correct
28 Correct 2 ms 8540 KB Output is correct
29 Correct 3 ms 8540 KB Output is correct
30 Correct 2 ms 8540 KB Output is correct
31 Correct 2 ms 8536 KB Output is correct
32 Correct 2 ms 8540 KB Output is correct
33 Correct 2 ms 8540 KB Output is correct
34 Correct 2 ms 8540 KB Output is correct
35 Correct 2 ms 8540 KB Output is correct
36 Correct 2 ms 8540 KB Output is correct
37 Correct 2 ms 8540 KB Output is correct
38 Correct 2 ms 8540 KB Output is correct
39 Correct 3 ms 8540 KB Output is correct
40 Correct 2 ms 8796 KB Output is correct
41 Correct 2 ms 8540 KB Output is correct
42 Correct 2 ms 8536 KB Output is correct
43 Correct 3 ms 8540 KB Output is correct
44 Correct 2 ms 8540 KB Output is correct
45 Correct 3 ms 8536 KB Output is correct
46 Correct 2 ms 8540 KB Output is correct
47 Correct 3 ms 8536 KB Output is correct
48 Correct 2 ms 8540 KB Output is correct
49 Correct 2 ms 8540 KB Output is correct
50 Correct 3 ms 8536 KB Output is correct
51 Correct 2 ms 8536 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 8536 KB Output is correct
3 Correct 1 ms 8536 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 2 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8536 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 1 ms 8536 KB Output is correct
16 Correct 1 ms 8536 KB Output is correct
17 Correct 1 ms 8536 KB Output is correct
18 Correct 1 ms 8536 KB Output is correct
19 Correct 1 ms 8536 KB Output is correct
20 Correct 1 ms 8536 KB Output is correct
21 Correct 2 ms 8540 KB Output is correct
22 Correct 2 ms 8536 KB Output is correct
23 Correct 2 ms 8536 KB Output is correct
24 Correct 1 ms 8536 KB Output is correct
25 Correct 1 ms 8536 KB Output is correct
26 Correct 1 ms 8540 KB Output is correct
27 Correct 2 ms 8540 KB Output is correct
28 Correct 2 ms 8540 KB Output is correct
29 Correct 3 ms 8540 KB Output is correct
30 Correct 2 ms 8540 KB Output is correct
31 Correct 2 ms 8536 KB Output is correct
32 Correct 2 ms 8540 KB Output is correct
33 Correct 2 ms 8540 KB Output is correct
34 Correct 2 ms 8540 KB Output is correct
35 Correct 2 ms 8540 KB Output is correct
36 Correct 2 ms 8540 KB Output is correct
37 Correct 2 ms 8540 KB Output is correct
38 Correct 2 ms 8540 KB Output is correct
39 Correct 3 ms 8540 KB Output is correct
40 Correct 2 ms 8796 KB Output is correct
41 Correct 2 ms 8540 KB Output is correct
42 Correct 2 ms 8536 KB Output is correct
43 Correct 3 ms 8540 KB Output is correct
44 Correct 2 ms 8540 KB Output is correct
45 Correct 3 ms 8536 KB Output is correct
46 Correct 2 ms 8540 KB Output is correct
47 Correct 3 ms 8536 KB Output is correct
48 Correct 2 ms 8540 KB Output is correct
49 Correct 2 ms 8540 KB Output is correct
50 Correct 3 ms 8536 KB Output is correct
51 Correct 2 ms 8536 KB Output is correct
52 Correct 129 ms 23716 KB Output is correct
53 Correct 133 ms 23712 KB Output is correct
54 Correct 127 ms 23716 KB Output is correct
55 Correct 127 ms 23888 KB Output is correct
56 Correct 124 ms 23888 KB Output is correct
57 Correct 125 ms 23892 KB Output is correct
58 Correct 126 ms 24008 KB Output is correct
59 Correct 127 ms 23888 KB Output is correct
60 Correct 124 ms 23888 KB Output is correct
61 Correct 130 ms 23888 KB Output is correct
62 Correct 124 ms 23888 KB Output is correct
63 Correct 124 ms 23764 KB Output is correct
64 Correct 126 ms 23748 KB Output is correct
65 Correct 125 ms 23744 KB Output is correct
66 Correct 127 ms 23752 KB Output is correct
67 Correct 125 ms 23748 KB Output is correct
68 Correct 127 ms 23888 KB Output is correct