제출 #421601

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
421601		usachevd0	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	1 ms	588 KiB

biscuits

#include <bits/stdc++.h>
#ifndef LOCAL
    #include "biscuits.h"
#endif

using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define Time (clock() * 1.0 / CLOCKS_PER_SEC)
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
using ld = long double;
template<typename T1, typename T2> bool chkmin(T1& x, T2 y) {
    return y < x ? (x = y, true) : false;
}
template<typename T1, typename T2> bool chkmax(T1& x, T2 y) {
    return y > x ? (x = y, true) : false;
}
void debug_out() {
    cerr << endl;
}
template<typename T1, typename... T2> void debug_out(T1 A, T2... B) {
    cerr << ' ' << A;
    debug_out(B...);
}
template<typename T> void mdebug_out(T* a, int n) {
    for (int i = 0; i < n; ++i)
        cerr << a[i] << ' ';
    cerr << endl;
}
#ifdef LOCAL
    #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
    #define mdebug(a, n) cerr << #a << ": ", mdebug_out(a, n)
#else
    #define debug(...) 1337
    #define mdebug(a, n) 1337
#endif
template<typename T> ostream& operator << (ostream& stream, const vector<T>& v) {
    for (auto& e : v)
        stream << e << ' ';
    return stream;
}
template<typename T1, typename T2> ostream& operator << (ostream& stream, const pair<T1, T2>& p) {
    return stream << p.first << ' ' << p.second;
}


const ll INF64 = 1e18;


ll count_tastiness(ll x, vector<ll> a) {
    int k = a.size();
    if (*max_element(all(a)) == 0) return 1;
    
    assert(x == 1);
    
    vector<ll> f(k, 0);
    vector<ll> extra(k, 0);
    int j = 0;
    while (!a[j]) ++j;
    f[j] = a[j] + 1;
    extra[j] = 1;
    for (int i = j + 1; i < k; ++i) {
        if (a[i] == 0) {
            f[i] = f[i - 1];
            continue;
        }
        
        ll c = (1ll << (i - j));
        if (a[j] + 1 > c) {
            ll p = (f[j] - extra[j]) / a[j];
            ll t = p * c;
            
            extra[i] = extra[j] + p * (a[j] - c);
            f[i] = t * (a[i] + 1) + extra[i];
        } else {
            ll t = f[j];
            f[i] = t * (a[i] + 1);
            extra[i] = t;
        }
    }
    return f.back();
}


#ifdef LOCAL

mt19937 rng(228);
ll randll(ll L, ll R) {
    return rng() % (R - L + 1) + L;
}

int32_t main() {
    #ifdef LOCAL
        freopen("in", "r", stdin);
    #endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    /*const ll C = 4;
    for (int test = 1; ; ++test) {
        ll x = 1;
        int k = 2;
        vector<ll> a(k);
        for (auto& x : a)
            x = randll(0, C);
        if (count_tastiness(x, a) != count_tastiness_stu(x, a)) {
            cout << "1\n";
            cout << x << ' ' << k << '\n';
            cout << a << '\n';
            exit(0);
        }
        if (test % 1000 == 0) debug(test);
    }/**/
    
    int q;
    assert(scanf("%d", &q) == 1);
    vector<int> k(q);
    vector<long long> x(q);
    vector<vector<long long>> a(q);
    vector<long long> results(q);
    for (int t = 0; t < q; t++) {
        assert(scanf("%d%lld", &k[t], &x[t]) == 2);
        a[t] = vector<long long>(k[t]);
        for (int i = 0; i < k[t]; i++) {
            assert(scanf("%lld", &a[t][i]) == 1);
        }
    }
    fclose(stdin);

    for (int t = 0; t < q; t++) {
        results[t] = count_tastiness(x[t], a[t]);
    }
    for (int t = 0; t < q; t++) {
        printf("%lld\n", results[t]);
    }
    fclose(stdout);
    
    
    return 0;
}


#endif

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp:122:6: warning: "/*" within comment [-Wcomment]
  122 |     }/**/
      |

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