結果
| 問題 |
No.3260 岩井スターグラフ
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-09-06 13:26:19 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 556 ms / 2,000 ms |
| コード長 | 2,085 bytes |
| コンパイル時間 | 2,566 ms |
| コンパイル使用メモリ | 220,700 KB |
| 実行使用メモリ | 7,716 KB |
| 最終ジャッジ日時 | 2025-09-06 13:26:50 |
| 合計ジャッジ時間 | 17,667 ms |
|
ジャッジサーバーID (参考情報) |
judge / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 36 |
コンパイルメッセージ
In file included from /usr/include/c++/13/istream:41,
from /usr/include/c++/13/sstream:40,
from /usr/include/c++/13/complex:45,
from /usr/include/c++/13/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127,
from main.cpp:3:
In member function ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]’,
inlined from ‘int main()’ at main.cpp:79:15:
/usr/include/c++/13/ostream:204:25: warning: ‘ans’ may be used uninitialized [-Wmaybe-uninitialized]
204 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:63:12: note: ‘ans’ was declared here
63 | ll ans;
| ^~~
ソースコード
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define srep(i,l,r) for(ll i=l;i<=r;i++)
#define irep(i,r,l) for(ll i=r;i>=l;i--)
using ll = long long;
using ld = long double;
constexpr ll mod = 998244353ll;
#define vout(v) for(auto i :v) cout<<i<<" ";
#define INF 9223300000000000000ll
#define Winf 5e12
#define nl "\n"
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define vl vector<ll>
#define pb push_back
#define vc vector<char>
#define vb vector<bool>
#define uniq(x) sort((x).begin(),(x).end());(x).erase(unique((x).begin(),(x).end()),(x).end())
#define eb emplace_back
void no(void) { cout<<"No"<<nl;}
void yes(void) {cout<<"Yes"<<nl;}
void yn(bool a) {
cout<<(a ? "Yes":"No")<<nl;
}
vector<ll> dx={-1,0,1,0,1,1,-1,-1};
vector<ll> dy={0,-1,0,1,-1,1,-1,1};
bool isin(ll i,ll j,ll h,ll w) {
if(i<0 || i>=h || j<0 || j>=w) return false;
return true;
}
template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;}
template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;}
template<class T>T vecmax(const vector<T>&v){return *max_element(all(v));}
template<class T>T vecmin(const vector<T>&v){return *min_element(all(v));}
ll safemod(ll num,ll rule) {
return (num%rule+rule)%rule;
}
//alias ojb='oj-bundle -I /home/leal/beginner/atc/library'
ll sum(vector<ll> &a) {
return accumulate(all(a),0ll);
}
int main() {
ll x,y,n; cin>>x>>y>>n;
rep(i,n) {
ll u,v; cin>>u>>v;
ll ans;
function<ll(ll)> branch=[&](ll p)->ll {
return (p-1)/y;
};
function<ll(ll)> rootdist=[&](ll p)->ll {
return ((p%y)==0 ? y : p%y);
};
if(u==v) {
ans=0;
}
else if(u>v) swap(u,v);
else if(u==0) {
ans=rootdist(v);
}
else if(branch(u)==branch(v)) ans=abs(u-v);
else ans=rootdist(u)+rootdist(v);
cout<<ans<<nl;
}
}