oj.uz

답안 #890199

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
890199 2023-12-20T16:47:37 Z cpptowin Uzastopni (COCI15_uzastopni) C++17
48 / 160
 186 ms 35552 KB 
#include<bits/stdc++.h>
#define fo(i,d,c) for(int i=d;i<=c;i++)
#define fod(i,c,d) for(int i=c;i>=d;i--)
#define maxn 10010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout<<"\n";
#define inf 1000000000
#define pii pair<int,int>
#define vii vector<pii>
#define lb(x) x&-x
#define bit(i,j) ((i>>j)&1)
#define offbit(i,j) (i^(1<<j))
#define onbit(i,j) (i|(1<<j))
#define vi vector<int>
template <typename T1, typename T2> bool minimize(T1 &a, T2 b){if (a > b) {a = b; return true;} return false;}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b){if (a < b) {a = b; return true;} return false;}
using namespace std;
bitset<105> dp[10010][110];
vi ke[maxn];
int v[maxn];
int n;
void dfs(int u)
{
    bitset<105> f[110];
    dp[u][v[u]][v[u]] = 1;
    for(int v : ke[u])
    {
        dfs(v);
        fo(i,1,100) f[i] |= dp[v][i];
    }
    fo(i,1,100) fo(j,1,100)
    {
        if(f[i + 1][j] and i == v[u]) dp[u][i][j] = 1;
        if(f[i][j - 1] and j == v[u]) dp[u][i][j] = 1;
        if(f[i][v[u] - 1] and f[v[u] + 1][j]) dp[u][i][j] = 1;
    }
}
main()
{
    #define name "TASK"
    if(fopen(name".inp","r"))
    {
       freopen(name".inp","r",stdin);
       freopen(name".out","w",stdout);
    }
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    cin >> n;
    fo(i,1,n) cin >> v[i];
    fo(i,1,n - 1)
    {
        int u,v;
        cin >> u >> v;
        ke[u].pb(v);
    }
    dfs(1);
    int ans = 0;
    fo(i,1,100) ans += dp[1][i].count();
    cout << ans;
}

Compilation message

uzastopni.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main()
      | ^~~~
uzastopni.cpp: In function 'int main()':
uzastopni.cpp:46:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |        freopen(name".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:47:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
48.0 / 160.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 2652 KB Output isn't correct
2 Incorrect 2 ms 2652 KB Output isn't correct
3 Incorrect 2 ms 2652 KB Output isn't correct
4 Correct 2 ms 2652 KB Output is correct
5 Incorrect 2 ms 2652 KB Output isn't correct
6 Correct 2 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2620 KB Output is correct
9 Incorrect 2 ms 2652 KB Output isn't correct
10 Incorrect 2 ms 2652 KB Output isn't correct
11 Incorrect 186 ms 18112 KB Output isn't correct
12 Incorrect 153 ms 18004 KB Output isn't correct
13 Correct 159 ms 18520 KB Output is correct
14 Runtime error 162 ms 35408 KB Memory limit exceeded
15 Runtime error 162 ms 35552 KB Memory limit exceeded
16 Runtime error 170 ms 35448 KB Memory limit exceeded
17 Incorrect 172 ms 18036 KB Output isn't correct
18 Correct 158 ms 18000 KB Output is correct
19 Incorrect 151 ms 17796 KB Output isn't correct
20 Incorrect 151 ms 18000 KB Output isn't correct