답안 #94978

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
94978 2019-01-26T09:34:23 Z psmao Art Exhibition (JOI18_art) C++14
100 / 100
235 ms 24836 KB
#include <bits/stdc++.h>
using namespace std;

#define fo(i,s,t) for(int i = s; i <= t; ++ i)
#define fd(i,s,t) for(int i = s; i >= t; -- i)
#define bf(i,s) for(int i = head[s]; i; i = e[i].next)
#define mp make_pair
#define fi first
#define se second
#define pii pair<int,int>
#define pb push_back
#define VI vector<int>
#define sf scanf
#define pf printf
#define fp freopen
#define SZ(x) ((int)(x).size())
#ifdef MPS
#define D(x...) printf(x)
#else
#define D(x...)
#endif
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
const int inf = 1<<30;
const ll INF = 1ll<<60;
const db Inf = 1e20;
const db eps = 1e-9;

void gmax(int &a,int b){a = (a > b ? a : b);}
void gmin(int &a,int b){a = (a < b ? a : b);}

const int maxn = 500050;

int n;
ll suf[maxn];
struct pic{ll a; ll s;}g[maxn];

bool cmp(pic a, pic b){return a.a < b.a;}
int main()
{
	#ifdef MPS
		fp("1.in","r",stdin);
		fp("1.out","w",stdout);
	#endif
	sf("%d",&n);
	fo(i,1,n) sf("%lld%lld",&g[i].a,&g[i].s);
	sort(g+1,g+n+1,cmp);
	fo(i,1,n) g[i].s += g[i-1].s;
	suf[n+1] = -INF;
	fd(i,n,1) suf[i] = max(suf[i+1], g[i].s - g[i].a);
	ll ans = 0; fo(i,1,n) ans = max(ans, g[i].a - g[i-1].s + suf[i]);
	pf("%lld",ans);
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:46:4: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  sf("%d",&n);
    ^
art.cpp:47:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fo(i,1,n) sf("%lld%lld",&g[i].a,&g[i].s);
              ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 32 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 4 ms 632 KB Output is correct
33 Correct 4 ms 536 KB Output is correct
34 Correct 4 ms 632 KB Output is correct
35 Correct 4 ms 632 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 4 ms 632 KB Output is correct
38 Correct 4 ms 632 KB Output is correct
39 Correct 4 ms 632 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 4 ms 508 KB Output is correct
42 Correct 4 ms 632 KB Output is correct
43 Correct 4 ms 504 KB Output is correct
44 Correct 4 ms 508 KB Output is correct
45 Correct 4 ms 504 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 4 ms 632 KB Output is correct
48 Correct 4 ms 632 KB Output is correct
49 Correct 4 ms 532 KB Output is correct
50 Correct 4 ms 632 KB Output is correct
51 Correct 4 ms 632 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 32 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 4 ms 632 KB Output is correct
33 Correct 4 ms 536 KB Output is correct
34 Correct 4 ms 632 KB Output is correct
35 Correct 4 ms 632 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 4 ms 632 KB Output is correct
38 Correct 4 ms 632 KB Output is correct
39 Correct 4 ms 632 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 4 ms 508 KB Output is correct
42 Correct 4 ms 632 KB Output is correct
43 Correct 4 ms 504 KB Output is correct
44 Correct 4 ms 508 KB Output is correct
45 Correct 4 ms 504 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 4 ms 632 KB Output is correct
48 Correct 4 ms 632 KB Output is correct
49 Correct 4 ms 532 KB Output is correct
50 Correct 4 ms 632 KB Output is correct
51 Correct 4 ms 632 KB Output is correct
52 Correct 232 ms 24664 KB Output is correct
53 Correct 229 ms 24728 KB Output is correct
54 Correct 227 ms 24780 KB Output is correct
55 Correct 232 ms 24696 KB Output is correct
56 Correct 229 ms 24736 KB Output is correct
57 Correct 232 ms 24836 KB Output is correct
58 Correct 229 ms 24668 KB Output is correct
59 Correct 228 ms 24696 KB Output is correct
60 Correct 230 ms 24696 KB Output is correct
61 Correct 235 ms 24568 KB Output is correct
62 Correct 232 ms 24696 KB Output is correct
63 Correct 230 ms 24660 KB Output is correct
64 Correct 233 ms 24748 KB Output is correct
65 Correct 231 ms 24680 KB Output is correct
66 Correct 231 ms 24616 KB Output is correct
67 Correct 232 ms 24820 KB Output is correct
68 Correct 227 ms 24608 KB Output is correct