提出 #57466452

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ソースコード 拡げる

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using pl = pair<ll, ll>;
constexpr ll INF = 1e9 + 7;
constexpr ll mod = 1e9 + 7;
constexpr ld eps = 1e-9;
const ld PI = acos(-1);

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    auto f1 = [=]mutable -> ll {
        while (a % 4 != 0) {
            ++a;
        }
        if (a >= c)return 0;
        ll times = (c - 1 - a) / 4 + 1;
        ll res = 0;
        if (b % 2)++b, res += times;
        res += times * (3 * ((d - b) / 2) + 2 * ((d - b) % 2));
        return res;
    };
    auto f2 = [=]mutable -> ll {
        while ((a % 4 + 4) % 4 != 1) {
            ++a;
        }
        if (a >= c)return 0;
        ll times = (c - 1 - a) / 4 + 1;
        ll res = 0;
        if (b % 2)++b, res += 2 * times;
        res += times * (3 * ((d - b) / 2) + ((d - b) % 2));
        return res;
    };
    auto f3 = [=]mutable -> ll {
        while ((a % 4 + 4) % 4 != 2) {
            ++a;
        }
        if (a >= c)return 0;
        ll times = (c - 1 - a) / 4 + 1;
        ll res = 0;
        if (b % 2)++b, res += times;
        res += times * ((d - b) / 2);
        return res;
    };
    auto f4 = [=]mutable -> ll {
        while ((a % 4 + 4) % 4 != 3) {
            ++a;
        }
        if (a >= c)return 0;
        ll times = (c - 1 - a) / 4 + 1;
        ll res = 0;
        if (b % 2)++b;
        res += times * ((d - b) / 2 + (d - b) % 2);
        return res;
    };
    ll res = f1() + f2() + f3() + f4();
    cout << res;
}

提出情報

コンパイルエラー

Main.cpp: In function ‘int main()’:
Main.cpp:17:18: warning: parameter declaration before lambda declaration specifiers only optional with ‘-std=c++2b’ or ‘-std=gnu++2b’ [-Wc++23-extensions]
   17 |     auto f1 = [=]mutable -> ll {
      |                  ^~~~~~~
Main.cpp:28:18: warning: parameter declaration before lambda declaration specifiers only optional with ‘-std=c++2b’ or ‘-std=gnu++2b’ [-Wc++23-extensions]
   28 |     auto f2 = [=]mutable -> ll {
      |                  ^~~~~~~
Main.cpp:39:18: warning: parameter declaration before lambda declaration specifiers only optional with ‘-std=c++2b’ or ‘-std=gnu++2b’ [-Wc++23-extensions]
   39 |     auto f3 = [=]mutable -> ll {
      |                  ^~~~~~~
Main.cpp:50:18: warning: parameter declaration before lambda declaration specifiers only optional with ‘-std=c++2b’ or ‘-std=gnu++2b’ [-Wc++23-extensions]
   50 |     auto f4 = [=]mutable -> ll {
      |                  ^~~~~~~

ジャッジ結果