This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).begin(), (x).end()
#define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
#define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
#define fv(c) for(int (a) = (1); (a) <= (c); (a)++)
#define fz(c) for(int (a) = (0); (a) < (c); (a)++)
#define fm(a,i,c) for(int (a) = (i); (a) > (c); (a)--)
#define fmm(a,i,c) for(int (a) = (i); (a) >= (c); (a)--)
#define pb push_back
#define in insert
#define ss second
#define ff first
void S()
{
int n;
cin >> n;
vector <pair<int, int>> v(n);
for(auto &[x, y] : v)
cin >> x >> y;
sort(all(v));
int mx, x, y;
mx = x = y = 0;
fp(i,0,n)
{
x = min(x, y - v[i].ff);
y += v[i].ss;
mx = max(mx, y - x - v[i].ff);
}
cout << mx;
}
int main()
{
IOS;
S();
/*int t;
cin >> t;
while(t--)
S();*/
}
Compilation message (stderr)
art.cpp: In function 'void S()':
art.cpp:24:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
24 | for(auto &[x, y] : v)
| ^
art.cpp:9:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
9 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
| ^
art.cpp:29:2: note: in expansion of macro 'fp'
29 | fp(i,0,n)
| ^~
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