Submission #1125443

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1125443	2024-12-09 13:11:14	ljtunas	Alternating Heights (CCO22_day1problem1)	C++17	4 / 25	172 ms	27936 KiB

Main

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// author : anhtun_hi , nqg
// 25-26.12.2024
#include <bits/stdc++.h>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define reset(h, v)    memset(h, v, sizeof h)
#define Forv(i, a)     for(auto& i : a)
#define For(i, a, b)   for(int i = a; i <= b; ++i)
#define Ford(i, a, b)  for(int i = a; i >= b; --i)
#define c_bit(i)     __builtin_popcountll(i)
#define Bit(mask, i)    ((mask >> i) & 1LL)
#define onbit(mask, i)  ((mask) bitor (1LL << i))
#define offbit(mask, i) ((mask) &~ (1LL << i))
#define Log2(x) (63 - __builtin_clzll(x))
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
using namespace std;
using ll = long long;
using ii = pair<ll, ll>;
using db = long double;
using ull = unsigned long long;
namespace std {
    template <typename T, int D>
    struct _vector : public vector <_vector <T, D - 1>> {
        static_assert(D >= 1, "Dimension must be positive!");
        template <typename... Args>
        _vector(int n = 0, Args... args) : vector <_vector <T, D - 1>> (n, _vector <T, D - 1> (args...)) {}
 
 
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Compilation message (stderr)

Main.cpp: In function 'void dfs_tarjan(int)':
Main.cpp:63:31: warning: overflow in conversion from 'll' {aka 'long long int'} to 'int' changes value from '1000000000000000000' to '-1486618624' [-Woverflow]
   63 |             num[v] = low[v] = +oo;
      |                               ^~~
Main.cpp: In function 'int main()':
Main.cpp:106:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  106 |         freopen("a.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
Main.cpp:107:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  107 |         freopen("a.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 8