Submission #891959

#	Time	Username	Problem	Language	Result	Execution time	Memory
891959		josanneo22	Kangaroo (CEOI16_kangaroo)	C++17	100 / 100	8 ms	480 KiB

kangaroo

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;

namespace fast {
#pragma GCC optimize(Ofast)
#pragma GCC optimization (unroll-loops)
#pragma GCC target(avx,avx2,fma)
#pragma GCC target(sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native)
#pragma GCC optimize(3)
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
}
using namespace fast;

inline string read_string() {
    char ch = getchar(); string st1 = "";
    while (!((ch >= 'A') && (ch <= 'Z'))) ch = getchar();
    while ((ch >= 'A') && (ch <= 'Z'))  st1 += ch, ch = getchar();
    return st1;
}
char buf[1 << 23], * p1 = buf, * p2 = buf;
#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
template<typename T> inline void re(T& x) { x = 0; T f = 1; char ch = getchar();  while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = x * (1 << 1) + x * (1 << 3) + (ch - 48); ch = getchar(); } x *= f; }
template<typename x, typename... y>void re(x& a, y&... b) { re(a); re(b...); }
template<typename T> inline void ps(T x) { if (x < 0) { putchar('-'); x = -x; } if (x > 9)  ps(x / 10); putchar(x % 10 + '0'); }
template<typename x, typename... y>void ps(x& a, y&... b) { ps(a); putchar(' '); ps(b...); }
#define sp putchar(' ')
#define nl putchar('\n')

template<class T>
constexpr T power(T a, i64 b) {
    T res = 1;
    for (; b; b /= 2, a *= a) {
        if (b % 2) {
            res *= a;
        }
    }
    return res;
}

constexpr i64 mul(i64 a, i64 b, i64 p) {
    i64 res = a * b - i64(1.L * a * b / p) * p;
    res %= p;
    if (res < 0) {
        res += p;
    }
    return res;
}
template<i64 P>
struct MLong {
    i64 x;
    constexpr MLong() : x{} {}
    constexpr MLong(i64 x) : x{ norm(x % getMod()) } {}

    static i64 Mod;
    constexpr static i64 getMod() {
        if (P > 0) {
            return P;
        }
        else {
            return Mod;
        }
    }
    constexpr static void setMod(i64 Mod_) {
        Mod = Mod_;
    }
    constexpr i64 norm(i64 x) const {
        if (x < 0) {
            x += getMod();
        }
        if (x >= getMod()) {
            x -= getMod();
        }
        return x;
    }
    constexpr i64 val() const {
        return x;
    }
    explicit constexpr operator i64() const {
        return x;
    }
    constexpr MLong operator-() const {
        MLong res;
        res.x = norm(getMod() - x);
        return res;
    }
    constexpr MLong inv() const {
        assert(x != 0);
        return power(*this, getMod() - 2);
    }
    constexpr MLong& operator*=(MLong rhs)& {
        x = mul(x, rhs.x, getMod());
        return *this;
    }
    constexpr MLong& operator+=(MLong rhs)& {
        x = norm(x + rhs.x);
        return *this;
    }
    constexpr MLong& operator-=(MLong rhs)& {
        x = norm(x - rhs.x);
        return *this;
    }
    constexpr MLong& operator/=(MLong rhs)& {
        return *this *= rhs.inv();
    }
    friend constexpr MLong operator*(MLong lhs, MLong rhs) {
        MLong res = lhs;
        res *= rhs;
        return res;
    }
    friend constexpr MLong operator+(MLong lhs, MLong rhs) {
        MLong res = lhs;
        res += rhs;
        return res;
    }
    friend constexpr MLong operator-(MLong lhs, MLong rhs) {
        MLong res = lhs;
        res -= rhs;
        return res;
    }
    friend constexpr MLong operator/(MLong lhs, MLong rhs) {
        MLong res = lhs;
        res /= rhs;
        return res;
    }
    friend constexpr std::istream& operator>>(std::istream& is, MLong& a) {
        i64 v;
        is >> v;
        a = MLong(v);
        return is;
    }
    friend constexpr std::ostream& operator<<(std::ostream& os, const MLong& a) {
        return os << a.val();
    }
    friend constexpr bool operator==(MLong lhs, MLong rhs) {
        return lhs.val() == rhs.val();
    }
    friend constexpr bool operator!=(MLong lhs, MLong rhs) {
        return lhs.val() != rhs.val();
    }
};

template<>
i64 MLong<0LL>::Mod = i64(1E18) + 9;

template<int P>
struct MInt {
    int x;
    constexpr MInt() : x{} {}
    constexpr MInt(i64 x) : x{ norm(x % getMod()) } {}

    static int Mod;
    constexpr static int getMod() {
        if (P > 0) {
            return P;
        }
        else {
            return Mod;
        }
    }
    constexpr static void setMod(int Mod_) {
        Mod = Mod_;
    }
    constexpr int norm(int x) const {
        if (x < 0) {
            x += getMod();
        }
        if (x >= getMod()) {
            x -= getMod();
        }
        return x;
    }
    constexpr int val() const {
        return x;
    }
    explicit constexpr operator int() const {
        return x;
    }
    constexpr MInt operator-() const {
        MInt res;
        res.x = norm(getMod() - x);
        return res;
    }
    constexpr MInt inv() const {
        assert(x != 0);
        return power(*this, getMod() - 2);
    }
    constexpr MInt& operator*=(MInt rhs)& {
        x = 1LL * x * rhs.x % getMod();
        return *this;
    }
    constexpr MInt& operator+=(MInt rhs)& {
        x = norm(x + rhs.x);
        return *this;
    }
    constexpr MInt& operator-=(MInt rhs)& {
        x = norm(x - rhs.x);
        return *this;
    }
    constexpr MInt& operator/=(MInt rhs)& {
        return *this *= rhs.inv();
    }
    friend constexpr MInt operator*(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res *= rhs;
        return res;
    }
    friend constexpr MInt operator+(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res += rhs;
        return res;
    }
    friend constexpr MInt operator-(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res -= rhs;
        return res;
    }
    friend constexpr MInt operator/(MInt lhs, MInt rhs) {
        MInt res = lhs;
        res /= rhs;
        return res;
    }
    friend constexpr std::istream& operator>>(std::istream& is, MInt& a) {
        i64 v;
        is >> v;
        a = MInt(v);
        return is;
    }
    friend constexpr std::ostream& operator<<(std::ostream& os, const MInt& a) {
        return os << a.val();
    }
    friend constexpr bool operator==(MInt lhs, MInt rhs) {
        return lhs.val() == rhs.val();
    }
    friend constexpr bool operator!=(MInt lhs, MInt rhs) {
        return lhs.val() != rhs.val();
    }
};

template<>
int MInt<0>::Mod = 1E9 + 7;

template<int V, int P>
constexpr MInt<P> CInv = MInt<P>(V).inv();

constexpr int P = 1E9 + 7;
using Z = MInt<P>;

struct Comb {
    int n;
    std::vector<Z> _fac;
    std::vector<Z> _invfac;
    std::vector<Z> _inv;

    Comb() : n{ 0 }, _fac{ 1 }, _invfac{ 1 }, _inv{ 0 } {}
    Comb(int n) : Comb() {
        init(n);
    }

    void init(int m) {
        m = std::min(m, Z::getMod() - 1);
        if (m <= n) return;
        _fac.resize(m + 1);
        _invfac.resize(m + 1);
        _inv.resize(m + 1);

        for (int i = n + 1; i <= m; i++) {
            _fac[i] = _fac[i - 1] * i;
        }
        _invfac[m] = _fac[m].inv();
        for (int i = m; i > n; i--) {
            _invfac[i - 1] = _invfac[i] * i;
            _inv[i] = _invfac[i] * _fac[i - 1];
        }
        n = m;
    }
    Z fac(int m) {
        if (m > n) init(2 * m);
        return _fac[m];
    }
    Z invfac(int m) {
        if (m > n) init(2 * m);
        return _invfac[m];
    }
    Z inv(int m) {
        if (m > n) init(2 * m);
        return _inv[m];
    }
    Z C(int n, int m) {
        if (n < m || m < 0) return 0;
        return fac(n) * invfac(m) * invfac(n - m);
    }
    Z find(int n, int m, int k) {
        /*  x1+x2+x3+...+xm = k and 0<=x1,x2,x3...,xm<n
            x1+x2+x3+...=k+m and x1,x2,x3...xm>=1
            f(i) = no of cases such that >=i numbers are >n
            f(i) = m C i * (m+k-i*n-1) C (m-1)
            ans= f(i) * (-1)^i for i->[0,m] */
        Z ans = 0; int ops = 1;
        for (int i = 0; i <= m; i++) {
            Z t = C(m, i) * C(m + k - i * n - 1, m - 1);
            if (ops == -1) ans -= t;
            else ans += t;
            ops *= -1;
        }
        return ans;
    }

} comb;

//mod = 1E9+7

const int _N = 2010;
Z dp[2][_N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);

    int N, A, B; re(N, A, B);
    dp[1][1] = 1;
    for (int i = 2; i <= N; ++i) {
        int nw = i & 1, pv = (i - 1) & 1;
        for (int j = 1; j <= min(i, (N + 1) >> 1); ++j) {
            dp[nw][j] = 0;
            if (i == A || i == B) {
                dp[nw][j] += dp[pv][j] + dp[pv][j - 1];
                continue;
            }
            dp[nw][j] += dp[pv][j - 1] * (j - (i > A) - (i > B)) + dp[pv][j + 1] * j;//不能放头，不能放尾
        }
    }
    i64 v = dp[N & 1][1].val(); ps(v);
}

Compilation message (stderr)

kangaroo.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization (unroll-loops)
      | 
kangaroo.cpp:6:22: warning: '#pragma GCC optimize' is not a string or number [-Wpragmas]
    6 | #pragma GCC optimize(Ofast)
      |                      ^~~~~
kangaroo.cpp:8:20: warning: '#pragma GCC option' is not a string [-Wpragmas]
    8 | #pragma GCC target(avx,avx2,fma)
      |                    ^~~
kangaroo.cpp:9:20: warning: '#pragma GCC option' is not a string [-Wpragmas]
    9 | #pragma GCC target(sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native)
      |                    ^~~
kangaroo.cpp:29:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
   29 | #pragma GCC optimize("-fwhole-program")
      |                                       ^
kangaroo.cpp:36:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
   36 | #pragma GCC optimize("-fstrict-overflow")
      |                                         ^
kangaroo.cpp:38:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
   38 | #pragma GCC optimize("-fcse-skip-blocks")
      |                                         ^
kangaroo.cpp:52:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
   52 | #pragma GCC optimize("-funsafe-loop-optimizations")
      |                                                   ^
kangaroo.cpp:58:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   58 | inline string read_string() {
      |                           ^
kangaroo.cpp:58:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:58:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:58:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:66:41: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   66 | template<typename T> inline void re(T& x) { x = 0; T f = 1; char ch = getchar();  while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = x * (1 << 1) + x * (1 << 3) + (ch - 48); ch = getchar(); } x *= f; }
      |                                         ^
kangaroo.cpp:66:41: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:66:41: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:66:41: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:67:57: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   67 | template<typename x, typename... y>void re(x& a, y&... b) { re(a); re(b...); }
      |                                                         ^
kangaroo.cpp:67:57: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:67:57: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:67:57: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:68:40: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   68 | template<typename T> inline void ps(T x) { if (x < 0) { putchar('-'); x = -x; } if (x > 9)  ps(x / 10); putchar(x % 10 + '0'); }
      |                                        ^
kangaroo.cpp:68:40: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:68:40: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:68:40: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:69:57: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   69 | template<typename x, typename... y>void ps(x& a, y&... b) { ps(a); putchar(' '); ps(b...); }
      |                                                         ^
kangaroo.cpp:69:57: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:69:57: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:69:57: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:74:29: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   74 | constexpr T power(T a, i64 b) {
      |                             ^
kangaroo.cpp:74:29: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:74:29: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:74:29: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:84:38: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   84 | constexpr i64 mul(i64 a, i64 b, i64 p) {
      |                                      ^
kangaroo.cpp:84:38: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:84:38: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:84:38: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:95:21: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   95 |     constexpr MLong() : x{} {}
      |                     ^
kangaroo.cpp:95:21: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:95:21: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:95:21: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:96:26: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   96 |     constexpr MLong(i64 x) : x{ norm(x % getMod()) } {}
      |                          ^
kangaroo.cpp:96:26: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:96:26: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:96:26: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:99:33: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   99 |     constexpr static i64 getMod() {
      |                                 ^
kangaroo.cpp:99:33: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:99:33: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:99:33: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:107:42: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  107 |     constexpr static void setMod(i64 Mod_) {
      |                                          ^
kangaroo.cpp:107:42: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:107:42: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:107:42: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:110:31: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  110 |     constexpr i64 norm(i64 x) const {
      |                               ^~~~~
kangaroo.cpp:110:31: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:110:31: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:110:31: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:119:25: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  119 |     constexpr i64 val() const {
      |                         ^~~~~
kangaroo.cpp:119:25: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:119:25: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:119:25: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:122:39: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  122 |     explicit constexpr operator i64() const {
      |                                       ^~~~~
kangaroo.cpp:122:39: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:122:39: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:122:39: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:125:33: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  125 |     constexpr MLong operator-() const {
      |                                 ^~~~~
kangaroo.cpp:125:33: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:125:33: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:125:33: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:130:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  130 |     constexpr MLong inv() const {
      |                           ^~~~~
kangaroo.cpp:130:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:130:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:130:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:134:43: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  134 |     constexpr MLong& operator*=(MLong rhs)& {
      |                                           ^
kangaroo.cpp:134:43: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:134:43: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:134:43: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:138:43: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  138 |     constexpr MLong& operator+=(MLong rhs)& {
      |                                           ^
kangaroo.cpp:138:43: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:138:43: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:138:43: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:142:43: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  142 |     constexpr MLong& operator-=(MLong rhs)& {
      |                                           ^
kangaroo.cpp:142:43: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:142:43: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:142:43: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:146:43: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  146 |     constexpr MLong& operator/=(MLong rhs)& {
      |                                           ^
kangaroo.cpp:146:43: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:146:43: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:146:43: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:149:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  149 |     friend constexpr MLong operator*(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:149:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:149:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:149:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:154:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  154 |     friend constexpr MLong operator+(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:154:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:154:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:154:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:159:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  159 |     friend constexpr MLong operator-(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:159:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:159:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:159:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:164:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  164 |     friend constexpr MLong operator/(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:164:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:164:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:164:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:169:73: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  169 |     friend constexpr std::istream& operator>>(std::istream& is, MLong& a) {
      |                                                                         ^
kangaroo.cpp:169:73: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:169:73: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:169:73: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:175:79: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  175 |     friend constexpr std::ostream& operator<<(std::ostream& os, const MLong& a) {
      |                                                                               ^
kangaroo.cpp:175:79: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:175:79: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:175:79: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:178:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  178 |     friend constexpr bool operator==(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:178:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:178:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:178:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:181:58: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  181 |     friend constexpr bool operator!=(MLong lhs, MLong rhs) {
      |                                                          ^
kangaroo.cpp:181:58: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:181:58: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:181:58: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:192:20: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  192 |     constexpr MInt() : x{} {}
      |                    ^
kangaroo.cpp:192:20: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
kangaroo.cpp:192:20: warning: b

• Subtask 1: 6 / 6
• Subtask 2: 30 / 30
• Subtask 3: 15 / 15
• Subtask 4: 49 / 49