#include <bits/stdc++.h>
#define ll long long int
#define ld long double
#define pb push_back
#define mp make_pair
#define pii pair<int,int>
#define pll pair<ll,ll>
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
#define MS(x,a) memset((x),(a),sizeof(x))
#define F0R(i,n) for(auto (i) = 0; (i) < (n); (i)++)
#define FOR(i,a,b) for(auto (i) = (a); (i) <= (b); (i)++)
#define ROF(i,a,b) for(auto (i) = (a); (i) >= (b); (i)--)
using namespace std;
const int MAXN = 5e5+5;
pll a[MAXN];
ll pre[MAXN];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n; cin >> n;
FOR(i,1,n) cin >> a[i].F >> a[i].S;
sort(a+1,a+1+n);
FOR(i,1,n) pre[i] = pre[i-1]+a[i].S;
ll l = 0,sl = 0,ans = 0;
FOR(i,1,n) {
ll v = pre[i]-a[i].F;
ans = max(ans,v+l);
v = a[i].F-pre[i-1];
l = max(l,v);
}
cout << ans;
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:32:11: warning: unused variable 'sl' [-Wunused-variable]
ll l = 0,sl = 0,ans = 0;
^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |