oj.uz

Submission #427463

# Submission time Handle Problem Language Result Execution time Memory
427463 2021-06-14T15:41:40 Z farhan132 Art Exhibition (JOI18_art) C++17
100 / 100
 250 ms 20912 KB 
/***Farhan132***/
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
//#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>



using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef double dd;
typedef vector<ll> vll;
typedef pair<ll , ll> ii;
typedef vector< ii > vii;
typedef pair < pair < ll , ll > , pair < ll , ll > > cm; 
 
#define ff first
#define ss second
#define pb push_back
#define in insert
#define f0(b) for(int i=0;i<(b);i++)
#define f00(b) for(int j=0;j<(b);j++)
#define f1(b) for(int i=1;i<=(b);i++)
#define f11(b) for(int j=1;j<=(b);j++)
#define f2(a,b) for(int i=(a);i<=(b);i++)
#define f22(a,b) for(int j=(a);j<=(b);j++)
#define sf(a) scanf("%lld",&a)
#define sff(a,b) scanf("%lld %lld", &a , &b)
#define pf(a) printf("%lld\n",a)
#define pff(a,b) printf("%lld %lld\n", a , b)
#define PI 3.14159265359
#define bug printf("**!\n")
#define mem(a , b) memset(a, b ,sizeof(a))
#define front_zero(n) __builtin_clzll(n)
#define back_zero(n) __builtin_ctzll(n)
#define total_one(n) __builtin_popcountll(n)
#define clean fflush(stdout)

const ll mod =  (ll) 998244353;
const ll maxn = (ll)2e5 + 5;
const int nnn = 1048590;
const int inf = numeric_limits<int>::max()-1;
//const ll INF = numeric_limits<ll>::max()-1;
const ll INF = 1e18;
 
ll dx[]={0,1,0,-1};
ll dy[]={1,0,-1,0};
ll dxx[]={0,1,0,-1,1,1,-1,-1};
ll dyy[]={1,0,-1,0,1,-1,1,-1};

bool USACO = 0;

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
  
#define ordered_set tree<ll, null_type,less<ll >, rb_tree_tag,tree_order_statistics_node_update>

const ll N = 5e5 + 5;

ii a[N];

void solve(){

   ll n;
   cin >> n;
   f1(n) cin >> a[i].ff >> a[i].ss;

   sort(a + 1 , a + n + 1);

   ll ans = 0, cur = 0;
   for(ll i = 1; i <= n; i++){

    ans = max(ans , a[i].ss - a[i].ff + cur);
    ans = max(ans , a[i].ss);
    cur = max(cur + a[i].ss , a[i].ff + a[i].ss);
   }
   cout << ans;
   return;
}

 
int main() {
    
    
    #ifdef LOCAL
        freopen("in", "r", stdin);
        freopen("out", "w", stdout);
    #else 
      if(USACO){
        freopen("balancing.in", "r", stdin);
        freopen("balancing.out", "w", stdout);
      }else{
       ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
      }
    #endif
    ll T = 1;
    //cin >> T;
    ll CT = 0;
    while(T--){
      //  cout << "Case #" << ++CT <<": " ;
        solve();
    }
 
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:103:8: warning: unused variable 'CT' [-Wunused-variable]
  103 |     ll CT = 0;
      |        ^~
art.cpp:95:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |         freopen("balancing.in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:96:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |         freopen("balancing.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 232 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 232 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 232 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 3 ms 460 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 4 ms 460 KB Output is correct
30 Correct 3 ms 460 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 3 ms 460 KB Output is correct
33 Correct 3 ms 460 KB Output is correct
34 Correct 3 ms 460 KB Output is correct
35 Correct 3 ms 460 KB Output is correct
36 Correct 3 ms 460 KB Output is correct
37 Correct 4 ms 460 KB Output is correct
38 Correct 3 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 3 ms 460 KB Output is correct
45 Correct 3 ms 452 KB Output is correct
46 Correct 4 ms 460 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 472 KB Output is correct
49 Correct 3 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 4 ms 460 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 232 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 3 ms 460 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 4 ms 460 KB Output is correct
30 Correct 3 ms 460 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 3 ms 460 KB Output is correct
33 Correct 3 ms 460 KB Output is correct
34 Correct 3 ms 460 KB Output is correct
35 Correct 3 ms 460 KB Output is correct
36 Correct 3 ms 460 KB Output is correct
37 Correct 4 ms 460 KB Output is correct
38 Correct 3 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 3 ms 460 KB Output is correct
45 Correct 3 ms 452 KB Output is correct
46 Correct 4 ms 460 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 472 KB Output is correct
49 Correct 3 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 4 ms 460 KB Output is correct
52 Correct 219 ms 20860 KB Output is correct
53 Correct 227 ms 20804 KB Output is correct
54 Correct 207 ms 20804 KB Output is correct
55 Correct 212 ms 20800 KB Output is correct
56 Correct 239 ms 20688 KB Output is correct
57 Correct 244 ms 20752 KB Output is correct
58 Correct 214 ms 20832 KB Output is correct
59 Correct 232 ms 20912 KB Output is correct
60 Correct 215 ms 20784 KB Output is correct
61 Correct 242 ms 20576 KB Output is correct
62 Correct 212 ms 20804 KB Output is correct
63 Correct 208 ms 20764 KB Output is correct
64 Correct 208 ms 20800 KB Output is correct
65 Correct 214 ms 20832 KB Output is correct
66 Correct 209 ms 20728 KB Output is correct
67 Correct 214 ms 20796 KB Output is correct
68 Correct 250 ms 20808 KB Output is correct