oj.uz

Submission #202728

# Submission time Handle Problem Language Result Execution time Memory
202728 2020-02-17T21:03:17 Z galen_colin Gondola (IOI14_gondola) C++14
60 / 100
 27 ms 3064 KB 
#include <bits/stdc++.h>
#include <chrono> 
 
using namespace std;
using namespace std::chrono; 
 
// #pragma GCC target ("avx2")
// #pragma GCC optimization ("O3")
// #pragma GCC optimization ("unroll-loops")
// #pragma optimization_level 3
// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
#define f0r(a, b) for (long long a = 0; a < (b); a++)
#define f1r(a, b, c) for (long long a = (b); a < (c); a++)
#define f0rd(a, b) for (long long a = (b); a >= 0; a--)
#define f1rd(a, b, c) for (long long a = (b); a >= (c); a--)
#define ms(arr, v) memset(arr, v, sizeof(arr))
#define pb push_back
#define io {ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);}
#define mp make_pair
#define f first
#define s second
#define presum(p, a, n) {p[0] = a[0]; for (int i = 1; i < (n); i++) p[i] = a[i] + p[i-1];}
#define all(v) v.begin(), v.end()
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define readgraph(list, edges) for (int i = 0; i < edges; i++) {int a, b; cin >> a >> b; a--; b--; list[a].pb(b); list[b].pb(a);}
#define ai(a, n) for (int ele = 0; ele < n; ele++) cin >> a[ele];
#define ain(a, lb, rb) for (int ele = lb; ele <= rb; ele++) cin >> a[ele];
#define ao(a, n) {for (int ele = 0; ele < n; ele++) { if (ele) cout << " "; cout << a[ele]; } cout << '\n';}
#define aout(a, lb, rb) {for (int ele = lb; ele <= rb; ele++) { if (ele > lb) cout << " "; cout << a[ele]; } cout << '\n';}
typedef long long ll;
typedef double ld;
typedef long double lld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
 
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v);
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) {
  cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";
}
template<typename A, typename B> istream& operator>>(istream& cin, pair<A, B> &p) {
  cin >> p.first;
  return cin >> p.second;
}
 
// template<typename A, typename B> ll max(A x, B y) {
//   return x > y ? x : y;
// }
// template<typename A, typename B> ll min(A x, B y) {
//   return x < y ? x : y;
// }
 
mt19937 rng(steady_clock::now().time_since_epoch().count());
/* usage - just do rng() */
 
void usaco(string filename) {
  // #pragma message("be careful, freopen may be wrong")
	freopen((filename + ".in").c_str(), "r", stdin);
	freopen((filename + ".out").c_str(), "w", stdout);
}
 
const lld pi = 3.14159265358979323846;
const ll mod = 1000000007;
// const ll mod = 998244353;

// namespace interactor {
  
// }

// using namespace interactor;

// int valid(int n, int seq[]);
// int replacement(int n, int seq[], int replace[]);
// int countReplacement(int n, int seq[]);

// int main() {
//   int a[] = {2, 3, 4, 5, 1};
//   int b[] = {2, 3, 4, 5, 6};
//   cout << valid(5, a) << " " << valid(5, b) << endl;

//   int c[55] = {};
//   int l = replacement(5, b, c);
//   cout << l << endl;
//   ao(c, l);
//   int d[7] = {2, 3, 4, 9, 6, 7, 1};
//   l = replacement(7, d, c);
//   cout << l << endl;
//   ao(c, l);
//   int e[3] = {1, 5, 4};
//   l = replacement(3, e, c);
//   cout << l << endl;
//   ao(c, l);
// }

#include "gondola.h"
 
ll n, m, k, q, Q, T, l, r, x, y, z;
ll a[1000005];
ll b[1000005];
ll c[1000005];
string s, t;
ll ans = 0;

int valid(int n, int seq[]) {
  int c1 = 0;
  f0r(i, n) if (seq[i] == 1) ++c1;
  if (c1 != 1) return 0;
  f0r(i, n) {
    if (seq[i] == 1) {
      f0r(j, n) {
        if (seq[(i + j) % n] != j + 1) return 0;
      }
      break;
    }
  }

  return 1;
}

int loc[250005];
int sseq[100005];

int replacement(int n, int seq[], int replace[]) {
  f0r(i, n) --seq[i];
  f0r(i, n) sseq[i] = seq[i];
  sort(sseq, sseq + n);

  int rind = 0;

  int mx = 0;

  f0r(i, n) mx = max(mx, seq[i]);
  f0r(i, mx) loc[i] = -1;
  f0r(i, n) loc[seq[i]] = i;

  int sent = seq[loc[mx]];

  bool whatever = 1;

  f0r(i, n) {
    if (loc[i] != -1) {
      f0r(j, n) seq[(loc[i] + j) % n] = (i + j) % n;
      whatever = 0;
      break;
    }
  }

  if (whatever) f0r(i, n) seq[i] = i;

  f0r(i, n) {
    while (n + rind <= sseq[i]) {
      replace[rind] = seq[loc[sseq[i]]] + 1;
      seq[loc[sseq[i]]] = n + rind++;
    }
  }

  return rind;
}

int countReplacement(int n, int seq[]) {
  f0r(i, n) --seq[i];
  f0r(i, n) sseq[i] = seq[i];
  sort(sseq, sseq + n);

  int rind = 0;

  int mx = 0;

  f0r(i, n) mx = max(mx, seq[i]);
  f0r(i, mx) loc[i] = -1;
  f0r(i, n) loc[seq[i]] = i;

  int sent = seq[loc[mx]];

  bool whatever = 1;

  f0r(i, n) {
    if (loc[i] != -1) {
      f0r(j, n) seq[(loc[i] + j) % n] = (i + j) % n;
      whatever = 0;
      break;
    }
  }

  if (whatever) return n;
  return 1;
}
 
// int main() {
//   io;
//   // freopen("case", "r", stdin);
//   // freopen("test.txt", "r", stdin);
//   // freopen("case", "w", stdout);
//   // freopen("file.in", "r", stdin);
 
//   // usaco("file");
 
  
// }

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:143:7: warning: unused variable 'sent' [-Wunused-variable]
   int sent = seq[loc[mx]];
       ^~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:172:7: warning: unused variable 'rind' [-Wunused-variable]
   int rind = 0;
       ^~~~
gondola.cpp:180:7: warning: unused variable 'sent' [-Wunused-variable]
   int sent = seq[loc[mx]];
       ^~~~
gondola.cpp: In function 'void usaco(std::__cxx11::string)':
gondola.cpp:65:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen((filename + ".in").c_str(), "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gondola.cpp:66:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen((filename + ".out").c_str(), "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 10 ms 632 KB Output is correct
7 Correct 17 ms 1144 KB Output is correct
8 Correct 14 ms 1016 KB Output is correct
9 Correct 8 ms 504 KB Output is correct
10 Correct 16 ms 1144 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 11 ms 760 KB Output is correct
7 Correct 16 ms 1144 KB Output is correct
8 Correct 14 ms 1020 KB Output is correct
9 Correct 9 ms 504 KB Output is correct
10 Correct 16 ms 1144 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 10 ms 760 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 18 ms 1144 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 380 KB Output is correct
11 Correct 18 ms 1660 KB Output is correct
12 Correct 21 ms 1912 KB Output is correct
13 Correct 22 ms 1912 KB Output is correct
14 Correct 18 ms 1656 KB Output is correct
15 Correct 27 ms 3064 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Incorrect 5 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Incorrect 5 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Incorrect 5 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -