Submission #808646

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
808646	2023-08-05 08:30:49	PanosPask	Amusement Park (CEOI19_amusementpark)	C++14	100 / 100	1358 ms	1364 KiB

amusementpark

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#include <bits/stdc++.h>
#define pb push_back
#define CHECK_BIT(val, pos) (val & (1 << pos))
using namespace std;
const int MOD = 998244353;
const int INV2 = 499122177;
typedef long long ll;
int N, M;
vector<int> adj_list;
// dp[s]: # of ways to construct a DAG in our graph, by directing some of the edges
vector<int> dp;
vector<bool> isgood;
void add(int& a, int b)
{
    a += b;
    if (a > MOD)
        a -= MOD;
}
void subtract(int& a, int b)
{
    a -= b;
    if (a < 0)
        a += MOD;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:35:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     scanf("%d %d", &N, &M);
      |     ~~~~~^~~~~~~~~~~~~~~~~
amusementpark.cpp:40:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |         scanf("%d %d", &u, &v);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 23 / 23
• Subtask 4: 21 / 21
• Subtask 5: 37 / 37