Submission #959801

# Submission time Handle Problem Language Result Execution time Memory
959801 2024-04-09T06:46:34 Z hariaakas646 Split the sequence (APIO14_sequence) C++14
39 / 100
2000 ms 24156 KB
#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;


void usaco()
{
    freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
//    freopen("problem.out", "w", stdout);
}

vector<vll> dp;
vvi opt;
vll vec, pref;

int main() {
    // usaco();
    int n, k;
    scd(n);
    scd(k);
    dp = vector<vll>(k+1, vll(n+1, -1e17));
    opt = vvi(k+1, vi(n+1));
    vec = pref = vll(n+1);
    forr(i, 1, n+1) {
        sclld(vec[i]);
        pref[i] = pref[i-1]+vec[i];
    }

    dp[0][0] = 0;

    forr(i, 1, k+1) {
        forr(j, 1, n+1) {
            frange(k, j) {
                if(dp[i-1][k] + (pref[j] - pref[k]) * (pref[n] - pref[j]) > dp[i][j]) {
                    dp[i][j] = dp[i-1][k] + (pref[j] - pref[k]) * (pref[n] - pref[j]);
                    opt[i][j] = k;
                }
            }
        }
    }

    lli ma = 0;
    int id = -1;

    forr(i, 1, n+1) {
        if(dp[k][i] > ma) {
            ma = dp[k][i];
            id = i;
        }
    }

    vi out;

    for(int i=k; i>=1; i--) {
        out.pb(id);
        id = opt[i][id];
    }
    printf("%lld\n", ma);
    reverse(all(out));
    for(auto e : out) printf("%d ", e);



}

Compilation message

sequence.cpp: In function 'void usaco()':
sequence.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.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)
      |                ~~~~~^~~~~~~~~~
sequence.cpp:41:5: note: in expansion of macro 'scd'
   41 |     scd(n);
      |     ^~~
sequence.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)
      |                ~~~~~^~~~~~~~~~
sequence.cpp:42:5: note: in expansion of macro 'scd'
   42 |     scd(k);
      |     ^~~
sequence.cpp:6:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define sclld(t) scanf("%lld", &t)
      |                  ~~~~~^~~~~~~~~~~~
sequence.cpp:47:9: note: in expansion of macro 'sclld'
   47 |         sclld(vec[i]);
      |         ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB contestant found the optimal answer: 108 == 108
2 Correct 0 ms 348 KB contestant found the optimal answer: 999 == 999
3 Incorrect 0 ms 344 KB Integer -1 violates the range [1, 1]
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 0 ms 348 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 1 ms 348 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 0 ms 348 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 0 ms 348 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 0 ms 348 KB contestant found the optimal answer: 933702 == 933702
7 Correct 0 ms 344 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 0 ms 348 KB contestant found the optimal answer: 687136 == 687136
9 Correct 0 ms 348 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 0 ms 348 KB contestant found the optimal answer: 29000419931 == 29000419931
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 0 ms 348 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 7 ms 860 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 1 ms 348 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 4 ms 780 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Correct 5 ms 884 KB contestant found the optimal answer: 107630884 == 107630884
7 Correct 6 ms 860 KB contestant found the optimal answer: 475357671774 == 475357671774
8 Correct 2 ms 348 KB contestant found the optimal answer: 193556962 == 193556962
9 Correct 1 ms 348 KB contestant found the optimal answer: 482389919803 == 482389919803
10 Correct 2 ms 348 KB contestant found the optimal answer: 490686959791 == 490686959791
# Verdict Execution time Memory Grader output
1 Correct 3 ms 500 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 2 ms 600 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 128 ms 2652 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 3 ms 348 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 132 ms 2652 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 102 ms 2396 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 131 ms 2652 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 135 ms 2804 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 25 ms 856 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 51 ms 1372 KB contestant found the optimal answer: 12345131038664 == 12345131038664
# Verdict Execution time Memory Grader output
1 Correct 161 ms 1116 KB contestant found the optimal answer: 1818678304 == 1818678304
2 Correct 153 ms 1128 KB contestant found the optimal answer: 1326260195 == 1326260195
3 Execution timed out 2005 ms 24156 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 2098 ms 6988 KB Time limit exceeded
2 Halted 0 ms 0 KB -