oj.uz

답안 #890211

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
890211 2023-12-20T16:54:58 Z cpptowin Uzastopni (COCI15_uzastopni) C++17
56 / 160
 284 ms 35740 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)
{
    for(int v : ke[u]) dfs(v);
    bitset<105> f[110];
    f[v[u]][v[u]] = 1;
    for(int v : ke[u])
    {
        fo(i,1,100) f[i] |= dp[v][i];
    }
    fo(i,1,100) fo(j,1,100) if(f[i][j]) f[i] |= f[j];
    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:43:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main()
      | ^~~~
uzastopni.cpp: In function 'int main()':
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".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:49:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
56.0 / 160.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 2660 KB Output isn't correct
2 Incorrect 2 ms 2652 KB Output isn't correct
3 Incorrect 3 ms 2652 KB Output isn't correct
4 Correct 3 ms 2648 KB Output is correct
5 Correct 4 ms 2652 KB Output is correct
6 Correct 3 ms 2784 KB Output is correct
7 Correct 3 ms 2648 KB Output is correct
8 Correct 3 ms 2652 KB Output is correct
9 Incorrect 3 ms 2652 KB Output isn't correct
10 Incorrect 3 ms 2652 KB Output isn't correct
11 Incorrect 242 ms 18084 KB Output isn't correct
12 Incorrect 249 ms 18352 KB Output isn't correct
13 Correct 282 ms 18004 KB Output is correct
14 Runtime error 249 ms 35592 KB Memory limit exceeded
15 Runtime error 284 ms 35740 KB Memory limit exceeded
16 Runtime error 249 ms 35412 KB Memory limit exceeded
17 Incorrect 240 ms 18004 KB Output isn't correct
18 Correct 240 ms 18004 KB Output is correct
19 Incorrect 237 ms 18004 KB Output isn't correct
20 Incorrect 242 ms 18000 KB Output isn't correct