oj.uz

답안 #890213

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
890213 2023-12-20T16:56:34 Z cpptowin Uzastopni (COCI15_uzastopni) C++17
80 / 160
 296 ms 19124 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;
    bitset<105> f[110];
void dfs(int u)
{
    for(int v : ke[u]) dfs(v);
    fo(i,1,100) f[i].reset();
    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);
    long long ans = 0;
    fo(i,1,100) ans += dp[1][i].count();
    cout << ans;
}

Compilation message

uzastopni.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main()
      | ^~~~
uzastopni.cpp: In function 'int main()':
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".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:50:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
80.0 / 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 3 ms 2652 KB Output isn't correct
4 Correct 3 ms 2652 KB Output is correct
5 Correct 3 ms 2652 KB Output is correct
6 Correct 3 ms 2460 KB Output is correct
7 Correct 3 ms 2652 KB Output is correct
8 Correct 3 ms 2660 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 296 ms 17960 KB Output isn't correct
12 Incorrect 267 ms 18000 KB Output isn't correct
13 Correct 278 ms 18088 KB Output is correct
14 Correct 270 ms 19044 KB Output is correct
15 Correct 272 ms 19120 KB Output is correct
16 Correct 269 ms 19124 KB Output is correct
17 Incorrect 268 ms 18012 KB Output isn't correct
18 Correct 274 ms 18216 KB Output is correct
19 Incorrect 272 ms 17864 KB Output isn't correct
20 Incorrect 263 ms 17844 KB Output isn't correct