Submission #1248293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248293		CodeLakVN	Brunhilda’s Birthday (BOI13_brunhilda)	C++20	37.78 / 100	1095 ms	1096 KiB

brunhilda

#include <bits/stdc++.h>
using namespace std;

#define task "main"
#define no "NO"
#define yes "YES"
#define F first
#define S second
#define vec vector
#define _mp make_pair
#define ii pair<int, int>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define evoid(val) return void(std::cout << val)
#define FOR(i, a, b) for(int i = (a); i <= (b); ++i)
#define FOD(i, b, a) for(int i = (b); i >= (a); --i)

const int MAX_N = (int)1e5 + 5;

int n, q;
int p[MAX_N], query[MAX_N];

namespace sub1 {
    bool valid() {
        FOR(i, 1, q) if (query[i] > (int)1e4) return false;
        return max(n, q) <= (int)1e4;
    }

    void solve() {
        FOR(t, 1, q) {
            int x = query[t];
            bool ok = 0;
            FOR(i, 1, n) if (x % p[i] != 0) ok = 1;
            if (!ok) {
                cout << "oo\n";
                continue;
            }
            int ans = 0;
            while (x) {
                int maxMod = 0;
                FOR(i, 1, n) maxMod = max(maxMod, x % p[i]);
                x -= maxMod;
                ans++;
            }
            assert(ans <= 500);
            cout << ans << "\n";
        }
    }
}

void solve() {
    cin >> n >> q;
    FOR(i, 1, n) cin >> p[i];
    FOR(i, 1, q) cin >> query[i];

    if (1LL * n * q <= (int)1e8) sub1::solve();
}

int32_t main() {
    if (fopen(task".inp", "r")) {
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    bool multitest = 0;
    int numTest = 1;
    if (multitest) cin >> numTest;

    while (numTest--) {
        solve();
    }

    return 0;
}

/* Lak lu theo dieu nhac!!!! */

Compilation message (stderr)

brunhilda.cpp: In function 'int32_t main()':
brunhilda.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
brunhilda.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 17.7778 / 20
• Subtask 2: 20 / 20
• Subtask 3: 0 / 60