Submission #744928

# Submission time Handle Problem Language Result Execution time Memory
744928 2023-05-19T08:16:05 Z arush_agu Swapping Cities (APIO20_swap) C++17
6 / 100
183 ms 20296 KB
#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#ifdef DEBUG
#include <time.h>
#endif

#define all(a) (a).begin(), (a).end()
#define rev(a) (a).rbegin(), (a).rend()
#define F first
#define S second
int recur_depth = 0;
#ifdef DEBUG
#define dbg(x)                                                                 \
  {                                                                            \
    ++recur_depth;                                                             \
    auto x_ = x;                                                               \
    --recur_depth;                                                             \
    cerr << string(recur_depth, '\t') << "\e[91m" << __func__ << ":"           \
         << __LINE__ << "\t" << #x << " = " << x_ << "\e[39m" << endl;         \
  }
#else
#define dbg(x)
#endif

using namespace std;
using namespace __gnu_pbds;

typedef pair<int, int> ii;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> llll;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pair<int, int>> vii;
typedef vector<vii> vvii;

typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pair<ll, ll>> vll;
typedef vector<vll> vvll;

typedef vector<bool> vb;

template <class type1>
using ordered_set = tree<type1, null_type, less<type1>, rb_tree_tag,
                         tree_order_statistics_node_update>;

template <typename A, typename B>
ostream &operator<<(ostream &os, const pair<A, B> &p) {
  return os << '(' << p.first << ", " << p.second << ')';
}
template <typename T_container, typename T = typename enable_if<
                                    !is_same<T_container, string>::value,
                                    typename T_container::value_type>::type>
ostream &operator<<(ostream &os, const T_container &v) {
  os << '{';
  string sep;
  for (const T &x : v)
    os << sep << x, sep = ", ";
  return os << '}';
}

const ll MOD = 1e9 + 7;
// const ll MOD = 998244353;
const ll INF = 1e9;
const ld EPS = 1e-9;

int n, m;
vl u, v, w;
vvll adj;

bool sub1 = 0;
int mx_w;

void init(int nn, int mm, vi uu, vi vv, vi ww) {
  n = nn, m = mm;
  for (int &x : uu) u.push_back(x);
  for (int &x : vv) v.push_back(x);
  for (int &x : ww) w.push_back(x);
  adj = vvll(n);
  for (int i=0; i<m; i++) {
    adj[u[i]].push_back({v[i], w[i]});
    adj[v[i]].push_back({u[i], w[i]});
  }

  sub1 = 1;
  for (int i=0; i<m; i++) if (adj[i].size() > 2) {
    sub1 = 0; break;
  }
  if (sub1) mx_w = *max_element(all(w));
}

int getMinimumFuelCapacity(int x, int y) {
  if (sub1) {
    if (m == n - 1) return -1;
    assert(m == n);
    return mx_w;
  }
}

#ifdef DEBUG
void solve() {
  int n, m; cin >> n >> m;
  vi u(m), v(m), w(m);
  for (int i=0; i<m; i++) {
    cin >> u[i] >> v[i] >> w[i];
  }

  init(n, m, u, v, w);

  int q; cin >> q;
  while (q--) {
    int x, y; cin >> x >> y;
    cout << getMinimumFuelCapacity(x, y) << "\n";
  }
}

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);

  clock_t start = clock();

  int test_cases = 1;
  /* cin >> test_cases; */

  while (test_cases--)
    solve();

  cerr << fixed << setprecision(10)
       << "\nTime Taken: " << (double)(clock() - start) / CLOCKS_PER_SEC
       << "s\n";
  return 0;
}
#endif

Compilation message

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:122:1: warning: control reaches end of non-void function [-Wreturn-type]
  122 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 42 ms 9840 KB Output is correct
10 Correct 52 ms 12048 KB Output is correct
11 Correct 61 ms 11784 KB Output is correct
12 Correct 77 ms 12592 KB Output is correct
13 Correct 67 ms 12584 KB Output is correct
14 Correct 59 ms 10020 KB Output is correct
15 Correct 130 ms 13880 KB Output is correct
16 Correct 135 ms 13616 KB Output is correct
17 Correct 135 ms 14372 KB Output is correct
18 Correct 104 ms 14368 KB Output is correct
19 Correct 55 ms 5716 KB Output is correct
20 Correct 148 ms 19260 KB Output is correct
21 Correct 153 ms 19180 KB Output is correct
22 Correct 183 ms 20136 KB Output is correct
23 Correct 157 ms 20296 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 98 ms 13096 KB Output isn't correct
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Runtime error 1 ms 340 KB Execution killed with signal 6
10 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 42 ms 9840 KB Output is correct
10 Correct 52 ms 12048 KB Output is correct
11 Correct 61 ms 11784 KB Output is correct
12 Correct 77 ms 12592 KB Output is correct
13 Correct 67 ms 12584 KB Output is correct
14 Correct 59 ms 10020 KB Output is correct
15 Correct 130 ms 13880 KB Output is correct
16 Correct 135 ms 13616 KB Output is correct
17 Correct 135 ms 14372 KB Output is correct
18 Correct 104 ms 14368 KB Output is correct
19 Incorrect 98 ms 13096 KB Output isn't correct
20 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -