#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);
^
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
