oj.uz

Submission #586468

# Submission time Handle Problem Language Result Execution time Memory
586468 2022-06-30T10:04:03 Z hibiki Journey (NOI18_journey) C++11
20 / 100
 2 ms 4564 KB 
#include<bits/stdc++.h>
using namespace std;

#define MX 500000001
#define pb push_back
#define f first
#define s second

int n,m,h;
vector<pair<int,int> > v[10005];
int dp[10005][105];
int ind[10005];

int main()
{
    scanf("%d %d %d",&n,&m,&h);
    for(int i = 0; i < n - 1; i++)
    {
        for(int j = 0; j < h; j++)
        {
            int a,b;
            scanf("%d %d",&a,&b);
            if(i >= a) continue;
            v[i].pb({a,b});
            ind[a]++;
        }
    }
    memset(dp, 0, sizeof(dp));
    queue<int> q;
    for(int i = 0; i < n - 1; i++)
    {
        if(ind[i] == 0)
        {
            q.push(i);
            dp[i][0] = 1;
        }
    }
    while(!q.empty())
    {
        int nw = q.front();
        q.pop();
        if(nw != 0)
            for(int i = 1; i < m; i++)
            {
                dp[nw][i] += dp[nw][i - 1];
                dp[nw][i] = min(dp[nw][i], MX);
            }
        for(auto go: v[nw])
        {
            ind[go.f]--;
            if(ind[go.f] == 0)
                q.push(go.f);
            for(int i = 0; i + go.s < m; i++)
            {
                dp[go.f][i + go.s] += dp[nw][i];
                dp[go.f][i + go.s] = min(dp[go.f][i + go.s], MX);
            }
        }
    }
    for(int i = 0; i < m; i++)
        printf("%d ",dp[n - 1][i]);
    return 0;
}

Compilation message

journey.cpp: In function 'int main()':
journey.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     scanf("%d %d %d",&n,&m,&h);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
journey.cpp:22:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |             scanf("%d %d",&a,&b);
      |             ~~~~~^~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4564 KB Output is correct
2 Correct 2 ms 4564 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4564 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4564 KB Output is correct
2 Correct 2 ms 4564 KB Output is correct
3 Incorrect 2 ms 4564 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4564 KB Output is correct
2 Correct 2 ms 4564 KB Output is correct
3 Incorrect 2 ms 4564 KB Output isn't correct
4 Halted 0 ms 0 KB -