結果
問題 | No.1252 数字根D |
ユーザー |
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提出日時 | 2020-10-09 22:10:50 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 2,266 bytes |
コンパイル時間 | 1,205 ms |
コンパイル使用メモリ | 126,552 KB |
最終ジャッジ日時 | 2025-01-15 04:50:08 |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 14 |
ソースコード
#include <iostream>#include <vector>#include <algorithm>#include <cmath>#include <string>#include <queue>#include <stack>#include <set>#include <map>#include <iomanip>#include <utility>#include <tuple>#include <functional>#include <bitset>#include <cassert>#include <complex>#include <stdio.h>#include <time.h>#include <numeric>#include <random>#include <unordered_map>#include <unordered_set>#define all(a) a.begin(),a.end()#define rep(i, n) for (ll i = 0; i < (n); i++)#define pb push_back#define debug(x) cerr << __LINE__ << ' ' << #x << ':' << (x) << '\n'#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")using namespace std;typedef long long ll;typedef unsigned int uint;typedef unsigned long long ull;typedef long double ld;typedef pair<ll, ll> P;typedef complex<ld> com;template<class T> using prique = priority_queue<T, vector<T>, greater<T>>;constexpr int inf = 1000000010;constexpr ll INF = 1000000000000000010;constexpr int mod1e9 = 1000000007;constexpr int mod998 = 998244353;constexpr ld eps = 1e-12;constexpr ld pi = 3.141592653589793238;constexpr ll ten(int n) { return n ? 10 * ten(n - 1) : 1; };int dx[] = { 1,0,-1,0,1,1,-1,-1 }; int dy[] = { 0,1,0,-1,1,-1,1,-1 };void fail() { cout << "-1\n"; exit(0); } void no() { cout << "No\n"; exit(0); }template<class T, class U> inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; }template<class T, class U> inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; }template<class T> istream &operator >> (istream &s, vector<T> &v) { for (auto &e : v) s >> e; return s; }template<class T> ostream &operator << (ostream &s, const vector<T> &v) { for (auto &e : v) s << e << ' '; return s; }struct fastio {fastio() {cin.tie(0); cout.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(20);cerr << fixed << setprecision(20);}}fastio_;ll solve(ll n, ll d) {if (n <= 0) return 0;ll res = 0;ll s = n / d;res += d * (d + 1) / 2 * s;ll r = n % d;res += r * (r + 1) / 2;return res;}int main() {ll t;cin >> t;while (t--) {ll d, a, b;cin >> d >> a >> b;d--;ll ans = solve(b, d) - solve(a - 1, d);cout << ans << '\n';}}