oj.uz

답안 #580601

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
580601 2022-06-21T13:40:04 Z Sam_a17 Gap (APIO16_gap) C++14
30 / 100
 42 ms 1872 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;

#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif

#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt __builtin_popcount

#define pb push_back
#define popf pop_front
#define popb pop_back

void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}

template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'

// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};

// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();

  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const long long inf = 1e18;
#include "gap.h"

long long findGap(int T, int N) {
  if(T == 1) {
    vector<long long> a(N);
    long long mn, mx;

    MinMax(0, inf, &mn, &mx);
    
    a[0] = mn, a[N - 1] = mx;
    long long lstMn = mn, lstMx = mx;
    for(int i = 1; i < N / 2; i++) {
      MinMax(lstMn + 1, lstMx - 1, &mn, &mx);
      a[i] = mn, a[N - i - 1] = mx;
      lstMn = mn, lstMx = mx;
    }

    if(N & 1) {
      int mid = N / 2;
      MinMax(lstMn + 1, max(lstMn + 1, lstMx - 1), &mn, &mx);
      assert(mn == mx);
      a[N / 2] = mn;
    }

    long long answ = 0;
    for(int i = 1; i < N; i++) {
      answ = max(answ, a[i] - a[i - 1]);
    }

    return answ;
  } else {
    vector<long long> a(N);
    long long mn, mx;

    MinMax(0, inf, &mn, &mx);
    // N - 2
    if(N == 2) {
      return mx - mn;
    }

    long long size = mx - mn, i;
    long long pos = (size + N - 2) / (N - 1), l = mn, answ = pos;
    for(i = mn; i < mx; i += pos + 1) {
      // i: i + pos;
      MinMax(i, i + pos, &mn, &mx);
      answ = max(answ, mn - l);
      l = mx;
    }

    MinMax(i, mx, &mn, &mx);
		if (mn!= -1) {
      answ = max(answ, mn - l);
    }
    return answ;
  }

  return 0;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:88:11: warning: unused variable 'mid' [-Wunused-variable]
   88 |       int mid = N / 2;
      |           ^~~
gap.cpp: In function 'void setIO(std::string)':
gap.cpp:63:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gap.cpp:64:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 9 ms 676 KB Output is correct
17 Correct 12 ms 688 KB Output is correct
18 Correct 9 ms 592 KB Output is correct
19 Correct 11 ms 720 KB Output is correct
20 Correct 7 ms 720 KB Output is correct
21 Correct 36 ms 1812 KB Output is correct
22 Correct 38 ms 1764 KB Output is correct
23 Correct 37 ms 1824 KB Output is correct
24 Correct 38 ms 1828 KB Output is correct
25 Correct 31 ms 1860 KB Output is correct
26 Correct 34 ms 1860 KB Output is correct
27 Correct 35 ms 1764 KB Output is correct
28 Correct 36 ms 1820 KB Output is correct
29 Correct 42 ms 1824 KB Output is correct
30 Correct 33 ms 1872 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct

Subtask #2
0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
3 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
4 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
5 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
6 Runtime error 1 ms 208 KB Execution failed because the return code was nonzero
7 Runtime error 1 ms 208 KB Execution failed because the return code was nonzero
8 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
9 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
10 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
11 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
12 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
13 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
14 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
15 Runtime error 1 ms 336 KB Execution failed because the return code was nonzero
16 Runtime error 5 ms 592 KB Execution failed because the return code was nonzero
17 Runtime error 5 ms 680 KB Execution failed because the return code was nonzero
18 Runtime error 7 ms 592 KB Execution failed because the return code was nonzero
19 Runtime error 5 ms 720 KB Execution failed because the return code was nonzero
20 Runtime error 4 ms 720 KB Execution failed because the return code was nonzero
21 Runtime error 18 ms 1812 KB Execution failed because the return code was nonzero
22 Runtime error 18 ms 1796 KB Execution failed because the return code was nonzero
23 Runtime error 18 ms 1852 KB Execution failed because the return code was nonzero
24 Runtime error 24 ms 1832 KB Execution failed because the return code was nonzero
25 Runtime error 15 ms 1816 KB Execution failed because the return code was nonzero
26 Runtime error 22 ms 1816 KB Execution failed because the return code was nonzero
27 Runtime error 19 ms 1828 KB Execution failed because the return code was nonzero
28 Runtime error 22 ms 1828 KB Execution failed because the return code was nonzero
29 Runtime error 19 ms 1768 KB Execution failed because the return code was nonzero
30 Runtime error 10 ms 1872 KB Execution failed because the return code was nonzero
31 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero
32 Runtime error 0 ms 208 KB Execution failed because the return code was nonzero