Submission #376463

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
376463	2021-03-11 13:57:15	KoD	Boat (APIO16_boat)	C++17	9 / 100	706 ms	6704 KiB

boat

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#include <bits/stdc++.h>
template <class T>
using Vec = std::vector<T>;
constexpr int MOD = 1000000007;
struct Fp {
    int val;
    Fp(const int val = 0): val(((val % MOD) + MOD) % MOD) { }
    Fp& operator += (const Fp &other) {
        if ((val += other.val) >= MOD) val -= MOD;
        return *this;
    }
    Fp operator + (const Fp &other) const {
        return Fp(*this) += other;
    }
    Fp& operator -= (const Fp &other) {
        if ((val += MOD - other.val) >= MOD) val -= MOD;
        return *this;
    }
    Fp operator - (const Fp &other) const {
        return Fp(*this) -= other;
    }
    Fp& operator *= (const Fp &other) {
        val = (long long) val * other.val % MOD;
        return *this;
    }
    Fp operator * (const Fp &other) const {
        return Fp(*this) *= other;
 
 
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• Subtask 2: 0 / 22
• Subtask 3: 0 / 27
• Subtask 4: 0 / 42