oj.uz

답안 #890208

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
890208 2023-12-20T16:52:57 Z cpptowin Uzastopni (COCI15_uzastopni) C++17
48 / 160
 205 ms 35452 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];
    f[v[u]][v[u]] = 1;
    for(int v : ke[u])
    {
        dfs(v);
        fo(i,1,100) f[i] |= dp[v][i];
    }
    dp[u][v[u]][v[u]] = 1;
    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:42:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   42 | main()
      | ^~~~
uzastopni.cpp: In function 'int main()':
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".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:48:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
48.0 / 160.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 2648 KB Output isn't correct
2 Incorrect 2 ms 2648 KB Output isn't correct
3 Incorrect 2 ms 2652 KB Output isn't correct
4 Correct 3 ms 2652 KB Output is correct
5 Incorrect 4 ms 2676 KB Output isn't correct
6 Correct 4 ms 2648 KB Output is correct
7 Correct 2 ms 2792 KB Output is correct
8 Correct 2 ms 2652 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 170 ms 18216 KB Output isn't correct
12 Incorrect 170 ms 18116 KB Output isn't correct
13 Correct 170 ms 18084 KB Output is correct
14 Runtime error 181 ms 35412 KB Memory limit exceeded
15 Runtime error 205 ms 35452 KB Memory limit exceeded
16 Runtime error 179 ms 35412 KB Memory limit exceeded
17 Incorrect 174 ms 17888 KB Output isn't correct
18 Correct 171 ms 18020 KB Output is correct
19 Incorrect 166 ms 18004 KB Output isn't correct
20 Incorrect 168 ms 18004 KB Output isn't correct