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Submission #246228

# Submission time Handle Problem Language Result Execution time Memory
246228 2020-07-08T11:57:39 Z SamAnd Journey (NOI18_journey) C++17
100 / 100
 171 ms 25696 KB 
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);
const int N = 10004, M = 402, H = 102, U = 500000001;

int n, m, q;
pair<int, int> g[N][H];

int dp[N][M];

void solv()
{
    scanf("%d%d%d", &n, &m, &q);
    for (int i = 0; i < n - 1; ++i)
    {
        for (int j = 0; j < q; ++j)
            scanf("%d%d", &g[i][j].fi, &g[i][j].se);
    }

    dp[0][0] = 1;
    for (int x = 0; x < n - 1; ++x)
    {
        for (int y = 1; y < m; ++y)
        {
            dp[x][y] += dp[x][y - 1];
            dp[x][y] = min(dp[x][y], U);
        }
        for (int y = 0; y < m; ++y)
        {
            for (int i = 0; i < q; ++i)
            {
                int h = g[x][i].fi;
                int d = g[x][i].se;
                if (h <= x)
                    continue;
                if (y + d < m)
                {
                    dp[h][y + d] += dp[x][y];
                    dp[h][y + d] = min(dp[h][y + d], U);
                }
            }
        }
    }
    for (int y = 0; y < m; ++y)
        printf("%d ", dp[n - 1][y]);
    printf("\n");
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    //ios_base::sync_with_stdio(false), cin.tie(0);
    solv();
    return 0;
}

//while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}

Compilation message

journey.cpp: In function 'void solv()':
journey.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &q);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
journey.cpp:24:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d", &g[i][j].fi, &g[i][j].se);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 6 ms 640 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 6 ms 640 KB Output is correct
7 Correct 97 ms 25696 KB Output is correct
8 Correct 110 ms 15740 KB Output is correct
9 Correct 34 ms 2304 KB Output is correct
10 Correct 171 ms 2808 KB Output is correct