oj.uz

Submission #462531

# Submission time Handle Problem Language Result Execution time Memory
462531 2021-08-10T17:23:45 Z Mounir Snowball (JOI21_ho_t2) C++14
33 / 100
 2500 ms 6880 KB 
#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define all(x) x.begin(), x.end()
#define pb push_back
#define pii pair<int, int>
#define deb first
#define fin second
#define int long long
using namespace std;
 
const int N = 5e5, OO = 1e18;
int debs[N], fins[N];
int nBoules, nJours;
 
inline int getInstant(int posInter, int posBoule){
      int delta = posInter - posBoule;
      if (delta < 0)
            return lower_bound(debs, debs + nJours + 1, -delta) - debs;
      else
            return upper_bound(fins, fins + nJours + 1, delta) - fins;
}

int boules[N]; 
 
signed main(){ 
      ios::sync_with_stdio(false);
      cin.tie(nullptr);
      cout.tie(nullptr);
 
      cin >> nBoules >> nJours;
      for (int i = 0; i < nBoules; ++i)
            cin >> boules[i];

      int posCur = 0;
      debs[0] = 0; fins[0] = -1;
      for (int iJour = 1; iJour <= nJours; ++iJour){
            int delta; cin >> delta;
            posCur += delta;
            debs[iJour] = -min(-debs[iJour - 1], posCur);
            fins[iJour] = max(0ll, max(posCur, fins[iJour - 1]));
      }

    //  int debut[nBoules];
 
      for (int iBoule = 0; iBoule < nBoules; ++iBoule){
            int gauche = boules[iBoule] - debs[nJours], droite = boules[iBoule]; //Gauche
            if (iBoule != 0)
                  chmax(gauche, boules[iBoule - 1]);

            while (droite > gauche){
                  int mid = floor((gauche + droite)/double(2));
                  int moment = getInstant(mid, boules[iBoule]);
 
                  if (moment <= nJours && (iBoule == 0 || moment < getInstant(mid, boules[iBoule - 1])))
                        droite = mid;
                  else
                        gauche = mid + 1;
            }

           // debut[iBoule] = ga
 
            int deb = gauche;
            gauche = boules[iBoule] - 1, droite = boules[iBoule] + fins[nJours];
            if (iBoule != nBoules - 1)
                  chmin(droite, boules[iBoule + 1]);

            while (droite > gauche){
                  int mid =  floor((gauche + droite)/double(2)) + 1;
                //  cout << "dicho " << gauche << " " << droite << " " << mid << endl;
                  //cout << getInstant(mid, boules[iBoule]) << endl << endl;
                  int moment = getInstant(mid, boules[iBoule]);
 
                  if (moment <= nJours && (iBoule == nBoules - 1 || moment < getInstant(mid, boules[iBoule + 1])))
                        gauche = mid;
                  else
                        droite = mid - 1;
            }
            
            cout << gauche - deb + 1 << endl;
        //    cout << couverts[iBoule].deb << " " << couverts[iBoule].fin << endl;
      }
      return 0;
 
}

Subtask #1
33.0 / 33.0

# 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 2 ms 332 KB Output is correct
4 Correct 14 ms 332 KB Output is correct
5 Correct 13 ms 332 KB Output is correct
6 Correct 12 ms 332 KB Output is correct
7 Correct 11 ms 332 KB Output is correct
8 Correct 10 ms 332 KB Output is correct
9 Correct 9 ms 352 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 15 ms 400 KB Output is correct
16 Correct 14 ms 332 KB Output is correct
17 Correct 10 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 4 ms 332 KB Output is correct

Subtask #2
0 / 67.0

# 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 2 ms 332 KB Output is correct
4 Correct 14 ms 332 KB Output is correct
5 Correct 13 ms 332 KB Output is correct
6 Correct 12 ms 332 KB Output is correct
7 Correct 11 ms 332 KB Output is correct
8 Correct 10 ms 332 KB Output is correct
9 Correct 9 ms 352 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 4 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 15 ms 400 KB Output is correct
16 Correct 14 ms 332 KB Output is correct
17 Correct 10 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 31 ms 3340 KB Output is correct
21 Correct 31 ms 3420 KB Output is correct
22 Correct 33 ms 3428 KB Output is correct
23 Correct 54 ms 3532 KB Output is correct
24 Correct 248 ms 3668 KB Output is correct
25 Correct 2175 ms 6620 KB Output is correct
26 Correct 2174 ms 6880 KB Output is correct
27 Correct 2052 ms 6496 KB Output is correct
28 Correct 2036 ms 6416 KB Output is correct
29 Correct 1879 ms 6152 KB Output is correct
30 Correct 1280 ms 5788 KB Output is correct
31 Correct 462 ms 5424 KB Output is correct
32 Correct 382 ms 5444 KB Output is correct
33 Correct 173 ms 916 KB Output is correct
34 Correct 2040 ms 6704 KB Output is correct
35 Correct 2003 ms 6436 KB Output is correct
36 Correct 2215 ms 6616 KB Output is correct
37 Correct 2083 ms 6416 KB Output is correct
38 Correct 2130 ms 6356 KB Output is correct
39 Correct 2095 ms 6460 KB Output is correct
40 Correct 1362 ms 6492 KB Output is correct
41 Execution timed out 2545 ms 3396 KB Time limit exceeded
42 Halted 0 ms 0 KB -