Submission #919975

# Submission time Handle Problem Language Result Execution time Memory
919975 2024-02-02T00:19:28 Z thunopro Art Exhibition (JOI18_art) C++14
100 / 100
140 ms 25368 KB
#include<bits/stdc++.h>
using namespace std ; 
#define maxn 500009 
#define ll long long 
#define fi first 
#define se second 
#define pb push_back 
#define left id<<1
#define right id<<1|1 
#define re exit(0); 

const int mod = 1e9+7; 
const int INF = 1e9; 

typedef vector<int> vi; 
typedef pair<int,int> pii;
typedef vector<pii> vii;  
typedef vector<ll> vl;

void add ( int &a , int b ) 
{
	a += b ; 
	if ( a > mod ) a -= mod ; 
	if ( a < 0 ) a += mod ; 
}

template <typename T> void chkmin ( T &a , T b ) { if ( a > b ) a = b ; }
template <typename T> void chkmax ( T &a , T b ) { if ( a < b ) a = b ; }

int _pow ( int a , int n ) 
{
	if ( n == 0 ) return 1 ;
	int res = _pow (a,n/2) ; 
	if ( n % 2 ) return 1ll*res*res%mod*a%mod ; 
	else return 1ll*res*res%mod ; 
}

void rf () 
{
	freopen ("bai1.inp","r",stdin) ;
}

typedef pair<ll,ll> pll ; 
int n ; 
pll a [maxn] ; 
ll sum [maxn] ; 
int main () 
{
	ios_base::sync_with_stdio(0); 
	cin.tie(0);cout.tie(0); 
//	rf () ; 
	cin >> n ; 
	for ( int i = 1 ; i <= n ; i ++ ) cin >> a[i].fi >> a[i].se ;
	sort (a+1,a+n+1) ; 
	for ( int i = 1 ; i <= n ; i ++ ) sum [i] = sum [i-1] + a[i].se ; 
	ll Min = 0 ; 
	ll res = 0 ; 
	for ( int i = 1 ; i <= n ; i ++ ) 
	{
		chkmax (res,a[i].se) ; 
		chkmax (res,sum[i]-a[i].fi-Min) ; 
		chkmin (Min,sum[i-1]-a[i].fi) ; 	
	} 
	cout << res ; 
}

Compilation message

art.cpp: In function 'void rf()':
art.cpp:40:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2904 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2904 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2392 KB Output is correct
27 Correct 2 ms 2648 KB Output is correct
28 Correct 2 ms 2648 KB Output is correct
29 Correct 2 ms 2648 KB Output is correct
30 Correct 2 ms 2648 KB Output is correct
31 Correct 2 ms 2648 KB Output is correct
32 Correct 2 ms 2648 KB Output is correct
33 Correct 2 ms 2648 KB Output is correct
34 Correct 2 ms 2648 KB Output is correct
35 Correct 2 ms 2648 KB Output is correct
36 Correct 2 ms 2648 KB Output is correct
37 Correct 2 ms 2648 KB Output is correct
38 Correct 2 ms 2648 KB Output is correct
39 Correct 2 ms 2648 KB Output is correct
40 Correct 2 ms 2648 KB Output is correct
41 Correct 2 ms 2648 KB Output is correct
42 Correct 2 ms 2648 KB Output is correct
43 Correct 2 ms 2648 KB Output is correct
44 Correct 2 ms 2648 KB Output is correct
45 Correct 2 ms 2648 KB Output is correct
46 Correct 2 ms 2652 KB Output is correct
47 Correct 2 ms 2648 KB Output is correct
48 Correct 2 ms 2648 KB Output is correct
49 Correct 3 ms 2904 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 2 ms 2648 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2904 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2648 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2392 KB Output is correct
27 Correct 2 ms 2648 KB Output is correct
28 Correct 2 ms 2648 KB Output is correct
29 Correct 2 ms 2648 KB Output is correct
30 Correct 2 ms 2648 KB Output is correct
31 Correct 2 ms 2648 KB Output is correct
32 Correct 2 ms 2648 KB Output is correct
33 Correct 2 ms 2648 KB Output is correct
34 Correct 2 ms 2648 KB Output is correct
35 Correct 2 ms 2648 KB Output is correct
36 Correct 2 ms 2648 KB Output is correct
37 Correct 2 ms 2648 KB Output is correct
38 Correct 2 ms 2648 KB Output is correct
39 Correct 2 ms 2648 KB Output is correct
40 Correct 2 ms 2648 KB Output is correct
41 Correct 2 ms 2648 KB Output is correct
42 Correct 2 ms 2648 KB Output is correct
43 Correct 2 ms 2648 KB Output is correct
44 Correct 2 ms 2648 KB Output is correct
45 Correct 2 ms 2648 KB Output is correct
46 Correct 2 ms 2652 KB Output is correct
47 Correct 2 ms 2648 KB Output is correct
48 Correct 2 ms 2648 KB Output is correct
49 Correct 3 ms 2904 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 2 ms 2648 KB Output is correct
52 Correct 133 ms 22152 KB Output is correct
53 Correct 131 ms 25368 KB Output is correct
54 Correct 128 ms 24632 KB Output is correct
55 Correct 131 ms 24724 KB Output is correct
56 Correct 140 ms 24656 KB Output is correct
57 Correct 128 ms 24656 KB Output is correct
58 Correct 133 ms 24624 KB Output is correct
59 Correct 135 ms 24632 KB Output is correct
60 Correct 131 ms 24580 KB Output is correct
61 Correct 130 ms 24656 KB Output is correct
62 Correct 135 ms 24656 KB Output is correct
63 Correct 130 ms 24656 KB Output is correct
64 Correct 135 ms 24628 KB Output is correct
65 Correct 133 ms 25200 KB Output is correct
66 Correct 134 ms 24656 KB Output is correct
67 Correct 133 ms 24756 KB Output is correct
68 Correct 131 ms 24656 KB Output is correct