oj.uz

Submission #391921

# Submission time Handle Problem Language Result Execution time Memory
391921 2021-04-20T07:35:28 Z BartolM Bootfall (IZhO17_bootfall) C++17
0 / 100
 2 ms 332 KB 
#define DEBUG 1
#include <bits/stdc++.h>

using namespace std;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;

const int INF=0x3f3f3f3f;
const int N=505;

int n, uk=0;
int p[N], cnt[N*2];
vector <int> sol;
bitset <N*N> curr;

void resi(int ne) {
    curr.reset();
    curr.set(0);
    for (int i=0; i<n; ++i) {
        if (i==ne) continue;
        curr=curr | (curr<<p[i]);
    }
}

void solve() {
    resi(n);
    if (!curr[uk/2]) {
        printf("0\n");
        return;
    }
    for (int i=0; i<n; ++i) {
        resi(i);
        for (int j=0; j<=uk; ++j) {
            int br=p[i]+2*j-uk;
            if (br>=0 && br<=uk && curr[j]) cnt[br]++;
        }
    }
    for (int i=0; i<=uk; ++i) if (cnt[i]==n) sol.pb(i);
    printf("%d\n", sol.size());
    for (int x:sol) printf("%d ", x);
}

void load() {
    scanf("%d", &n);
    for (int i=0; i<n; ++i) scanf("%d", p+i);
    for (int i=0; i<n; ++i) uk+=p[i];
}

int main() {
    load();
    solve();
    return 0;
}

Compilation message

bootfall.cpp: In function 'void solve()':
bootfall.cpp:47:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   47 |     printf("%d\n", sol.size());
      |             ~^     ~~~~~~~~~~
      |              |             |
      |              int           std::vector<int>::size_type {aka long unsigned int}
      |             %ld
bootfall.cpp: In function 'void load()':
bootfall.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   52 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bootfall.cpp:53:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |     for (int i=0; i<n; ++i) scanf("%d", p+i);
      |                             ~~~~~^~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Incorrect 2 ms 332 KB Output isn't correct
9 Halted 0 ms 0 KB -