oj.uz

Submission #946093

# Submission time Handle Problem Language Result Execution time Memory
946093 2024-03-14T10:11:51 Z hariaakas646 Skyscraper (JOI16_skyscraper) C++17
20 / 100
 930 ms 186020 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, l, r) for(int i=l; i<r; i++)
#define frange(i, l) forr(i, 0, l)
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()
 
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef vector<pii> vii;
typedef long long lli;
typedef vector<vi> vvi;
typedef vector<lli> vll;
typedef vector<bool> vb;
typedef set<int> seti;
typedef multiset<int> mseti;
 
void usaco()
{
    freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
//    freopen("problem.out", "w", stdout);
}

const lli mod = 1e9 + 7;

int main() {
    // usaco();
    int n;
    scd(n);
    int l;
    scd(l);

    vector<vector<vll>> dp(1<<n, vector<vll>(n, vll(l+1, 0)));
    vi vec(n);
    frange(i, n) {
        scd(vec[i]);
    }

    frange(i, n) {
        dp[1<<i][i][0] = 1;
    }

    forr(i, 1, 1<<n) {
        frange(j, n) {
            frange(k, l+1) {
                if(dp[i][j][k]) continue;
                frange(e, n) {
                    if(e != j && (i & (1<<e))) {
                        int d = abs(vec[e] - vec[j]);
                        if(k >= d)
                        {
                            dp[i][j][k] += dp[i^(1<<j)][e][k-d];
                            dp[i][j][k] %= mod;
                        }
                    }
                }
            }
        }
    }
    lli tot = 0;
    frange(j, n) {
        frange(k, l+1) {
            tot += dp[(1<<n)-1][j][k];
            tot %= mod;
        }
    }
    printf("%lld\n", tot);

}

Compilation message

skyscraper.cpp: In function 'void usaco()':
skyscraper.cpp:27:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
skyscraper.cpp:36:5: note: in expansion of macro 'scd'
   36 |     scd(n);
      |     ^~~
skyscraper.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
skyscraper.cpp:38:5: note: in expansion of macro 'scd'
   38 |     scd(l);
      |     ^~~
skyscraper.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
skyscraper.cpp:43:9: note: in expansion of macro 'scd'
   43 |         scd(vec[i]);
      |         ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 35 ms 15708 KB Output is correct
6 Correct 32 ms 13916 KB Output is correct
7 Correct 7 ms 2908 KB Output is correct
8 Correct 4 ms 1628 KB Output is correct
9 Correct 33 ms 14940 KB Output is correct
10 Correct 6 ms 2492 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 26968 KB Output is correct
2 Correct 930 ms 182424 KB Output is correct
3 Correct 481 ms 92648 KB Output is correct
4 Correct 908 ms 186020 KB Output is correct
5 Correct 930 ms 186020 KB Output is correct
6 Correct 927 ms 175240 KB Output is correct
7 Correct 404 ms 63916 KB Output is correct
8 Correct 455 ms 88932 KB Output is correct
9 Correct 714 ms 139348 KB Output is correct
10 Correct 833 ms 160876 KB Output is correct

Subtask #3
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 35 ms 15708 KB Output is correct
6 Correct 32 ms 13916 KB Output is correct
7 Correct 7 ms 2908 KB Output is correct
8 Correct 4 ms 1628 KB Output is correct
9 Correct 33 ms 14940 KB Output is correct
10 Correct 6 ms 2492 KB Output is correct
11 Correct 110 ms 26968 KB Output is correct
12 Correct 930 ms 182424 KB Output is correct
13 Correct 481 ms 92648 KB Output is correct
14 Correct 908 ms 186020 KB Output is correct
15 Correct 930 ms 186020 KB Output is correct
16 Correct 927 ms 175240 KB Output is correct
17 Correct 404 ms 63916 KB Output is correct
18 Correct 455 ms 88932 KB Output is correct
19 Correct 714 ms 139348 KB Output is correct
20 Correct 833 ms 160876 KB Output is correct
21 Runtime error 6 ms 7772 KB Execution killed with signal 11
22 Halted 0 ms 0 KB -