//Never stop trying
#include "bits/stdc++.h"
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
typedef long long ll;
#define int ll
typedef string str;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
const int MOD = 1e9 + 7; //998244353
const ll INF = 1e18;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up
template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
//constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
//mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
ll random(ll a, ll b){
return a + rng() % (b - a + 1);
}
#ifndef LOCAL
#define cerr if(false) cerr
#endif
#define dbg(x) cerr << #x << " : " << x << endl;
#define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
#define here() cerr << "here" << endl;
void IO() {
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
/////////////////////////ONLY CLEAN CODES ALLOWED/////////////////////////
int32_t main() {
boost; IO();
int N; cin>>N;
vpi vec;
FOR(i,0,N){
int a,b; cin>>a>>b;
vec.eb(a,b);
}
sort(all(vec));
int dp[N],ans=0;
FOR(i,0,N){
dp[i]=vec[i].fi+vec[i].se;
if(i){
ckmax(dp[i],dp[i-1]+vec[i].se);
}
ckmax(ans,dp[i]-vec[i].fi);
}
cout << ans << endl;
return 0;
}
//Change your approach
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
504 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
504 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
748 KB |
Output is correct |
28 |
Correct |
3 ms |
748 KB |
Output is correct |
29 |
Correct |
3 ms |
748 KB |
Output is correct |
30 |
Correct |
3 ms |
748 KB |
Output is correct |
31 |
Correct |
3 ms |
768 KB |
Output is correct |
32 |
Correct |
3 ms |
768 KB |
Output is correct |
33 |
Correct |
4 ms |
748 KB |
Output is correct |
34 |
Correct |
3 ms |
748 KB |
Output is correct |
35 |
Correct |
3 ms |
748 KB |
Output is correct |
36 |
Correct |
3 ms |
748 KB |
Output is correct |
37 |
Correct |
3 ms |
748 KB |
Output is correct |
38 |
Correct |
3 ms |
748 KB |
Output is correct |
39 |
Correct |
3 ms |
748 KB |
Output is correct |
40 |
Correct |
3 ms |
748 KB |
Output is correct |
41 |
Correct |
3 ms |
896 KB |
Output is correct |
42 |
Correct |
3 ms |
876 KB |
Output is correct |
43 |
Correct |
3 ms |
748 KB |
Output is correct |
44 |
Correct |
3 ms |
748 KB |
Output is correct |
45 |
Correct |
3 ms |
748 KB |
Output is correct |
46 |
Correct |
3 ms |
748 KB |
Output is correct |
47 |
Correct |
3 ms |
748 KB |
Output is correct |
48 |
Correct |
3 ms |
748 KB |
Output is correct |
49 |
Correct |
3 ms |
748 KB |
Output is correct |
50 |
Correct |
2 ms |
748 KB |
Output is correct |
51 |
Correct |
3 ms |
764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
504 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
748 KB |
Output is correct |
28 |
Correct |
3 ms |
748 KB |
Output is correct |
29 |
Correct |
3 ms |
748 KB |
Output is correct |
30 |
Correct |
3 ms |
748 KB |
Output is correct |
31 |
Correct |
3 ms |
768 KB |
Output is correct |
32 |
Correct |
3 ms |
768 KB |
Output is correct |
33 |
Correct |
4 ms |
748 KB |
Output is correct |
34 |
Correct |
3 ms |
748 KB |
Output is correct |
35 |
Correct |
3 ms |
748 KB |
Output is correct |
36 |
Correct |
3 ms |
748 KB |
Output is correct |
37 |
Correct |
3 ms |
748 KB |
Output is correct |
38 |
Correct |
3 ms |
748 KB |
Output is correct |
39 |
Correct |
3 ms |
748 KB |
Output is correct |
40 |
Correct |
3 ms |
748 KB |
Output is correct |
41 |
Correct |
3 ms |
896 KB |
Output is correct |
42 |
Correct |
3 ms |
876 KB |
Output is correct |
43 |
Correct |
3 ms |
748 KB |
Output is correct |
44 |
Correct |
3 ms |
748 KB |
Output is correct |
45 |
Correct |
3 ms |
748 KB |
Output is correct |
46 |
Correct |
3 ms |
748 KB |
Output is correct |
47 |
Correct |
3 ms |
748 KB |
Output is correct |
48 |
Correct |
3 ms |
748 KB |
Output is correct |
49 |
Correct |
3 ms |
748 KB |
Output is correct |
50 |
Correct |
2 ms |
748 KB |
Output is correct |
51 |
Correct |
3 ms |
764 KB |
Output is correct |
52 |
Correct |
211 ms |
24872 KB |
Output is correct |
53 |
Correct |
213 ms |
24912 KB |
Output is correct |
54 |
Correct |
205 ms |
24912 KB |
Output is correct |
55 |
Correct |
206 ms |
25000 KB |
Output is correct |
56 |
Correct |
205 ms |
24912 KB |
Output is correct |
57 |
Correct |
208 ms |
25060 KB |
Output is correct |
58 |
Correct |
212 ms |
25048 KB |
Output is correct |
59 |
Correct |
212 ms |
24912 KB |
Output is correct |
60 |
Correct |
206 ms |
24912 KB |
Output is correct |
61 |
Correct |
206 ms |
24784 KB |
Output is correct |
62 |
Correct |
204 ms |
24936 KB |
Output is correct |
63 |
Correct |
207 ms |
24912 KB |
Output is correct |
64 |
Correct |
206 ms |
24912 KB |
Output is correct |
65 |
Correct |
207 ms |
24912 KB |
Output is correct |
66 |
Correct |
208 ms |
24912 KB |
Output is correct |
67 |
Correct |
209 ms |
24916 KB |
Output is correct |
68 |
Correct |
204 ms |
24912 KB |
Output is correct |