제출 #594093

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
594093		nguyen31hoang08minh2003	Trol (COCI19_trol)	C++14	50 / 50	8 ms	468 KiB

trol

/*
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /
 \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/
 /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \
/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \
\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /
 \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /
 /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\
/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /
 \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/
 /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \  /    \
/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \/      \
\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /\      /
 \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /  \    /
 /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\  /\
/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \/  \
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/

*/
#include <bits/stdc++.h>
#define fore(i, a, b) for (int i = (a), i##_last = (b); i < i##_last; ++i)
#define fort(i, a, b) for (int i = (a), i##_last = (b); i <= i##_last; ++i)
#define ford(i, a, b) for (int i = (a), i##_last = (b); i >= i##_last; --i)
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
using namespace std;
using ll = long long;
using ld = long double;

template<class A, class B> bool maxi(A &a, const B &b) {return (a < b) ? (a = b, true):false;};
template<class A, class B> bool mini(A &a, const B &b) {return (a > b) ? (a = b, true):false;};

typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;

int q, n, t;
string l, r;

int getDigitsSum(ll x) {
    int res = 0;
    for (; x; x /= 10)
        res += x % 10;
    return res;
}

int getFinalNumber(int x) {
    static vi dp(180, -1);
    if (x <= 9)
        return x;
    if (dp[x] < 0)
        dp[x] = getFinalNumber(getDigitsSum(x));
    return dp[x];
}

ll DP(int p, int z, bool x, bool y) {
    static int seen[20][180][2][2];
    static ll dp[20][180][2][2];
    if (p >= n)
        return getFinalNumber(z);
    if (seen[p][z][x][y] != t) {
        seen[p][z][x][y] = t;
        dp[p][z][x][y] = 0;
        const int dx = x ? 0 : (l[p] - '0'), dy = y ? 9 : (r[p] - '0');
        fort(d, dx, dy)
            dp[p][z][x][y] += DP(p + 1, z + d, x || dx < d, y || d < dy);
    }
    return dp[p][z][x][y];
}

int main() {
    int x, y;
    #ifdef LOCAL
        freopen("input.INP", "r", stdin);
    #endif // LOCAL
    cin.tie(0) -> sync_with_stdio(0);
    cout.tie(0);
    cin >> q;
    for (t = 1; t <= q; ++t) {
        cin >> l >> r;
        x = l.size();
        y = r.size();
        if (x > y) {
            n = x;
            r = string(x - y, '0') + r;
        } else {
            n = y;
            if (x < y)
                l = string(y - x, '0') + l;
        }
        cout << DP(0, 0, false, false) << '\n';
    }
    return 0;
}

• Subtask 1: 50 / 50