結果
問題 | No.947 ABC包囲網 |
ユーザー | ttttan2 |
提出日時 | 2019-12-10 22:42:15 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,538 bytes |
コンパイル時間 | 3,882 ms |
コンパイル使用メモリ | 179,392 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 02:29:10 |
合計ジャッジ時間 | 38,167 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 1,531 ms
5,376 KB |
testcase_29 | AC | 1,513 ms
5,376 KB |
testcase_30 | AC | 1,117 ms
5,376 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 1,556 ms
5,376 KB |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | AC | 2 ms
5,376 KB |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
ソースコード
#include<bits/stdc++.h> //ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> pii; typedef pair<pii,int> ppii; typedef pair<int,pii> pipi; typedef pair<ll,ll> pll; typedef pair<pll,ll> ppll; typedef pair<ll,pll> plpl; typedef tuple<ll,ll,ll> tl; ll mod=1000000007; ll mod2=998244353; ll mod3=1000003; ll mod4=998244853; ll inf=1000000000; double pi=2*acos(0); #define rep(i,m,n) for(ll i=m;i<n;i++) #define rrep(i,n,m) for(ll i=n;i>=m;i--) int dh[4]={1,-1,0,0}; int dw[4]={0,0,1,-1}; int ddh[8]={-1,-1,-1,0,0,1,1,1}; int ddw[8]={-1,0,1,-1,1,-1,0,1}; ll lmax(ll a,ll b){ if(a<b)return b; else return a; } ll lmin(ll a,ll b){ if(a<b)return a; else return b; } ll gcd(ll a,ll b){ if(a<b)swap(a,b); if(b==0)return a; if(a%b==0)return b; return gcd(b,a%b); } ll Pow(ll n,ll k){ ll ret=1; ll now=n; while(k>0){ if(k&1)ret*=now; now*=now; k/=2; } return ret; } ll beki(ll n,ll k,ll md){ ll ret=1; ll now=n; while(k>0){ if(k%2==1){ ret*=now; ret%=md; } now*=now; now%=md; k/=2; } return ret; } ll gyaku(ll n,ll md){ return beki(n,md-2,md); } bool cmp(pll a,pll b){ if(a.first*b.first<0)return a.first>b.first; if(a.first==0){ if(b.first==0){ if(a.second==-1)return true; else return false; } if(a.second==1){ if(b.first>0)return false; else return true; } if(a.second==-1){ return true; } } if(b.first==0){ if(b.second==-1)return false; else{ if(a.first>0)return true; else return false; } } return a.second*b.first<a.first*b.second; } int main(){ ios::sync_with_stdio(false);cin.tie(0); int n;cin>>n; //cout<<acos(0.5)*180/pi;return 0; vector<pll> v[2]; int r[2]={0,0}; map<pll,ll> mp; rep(i,0,n){ ll a,b;cin>>a>>b; ll c=gcd(abs(a),abs(b)); if(a==0){ if(b==0)continue; if(b>0)r[0]++; else r[1]++; continue; } if(mp[{a/c,b/c}]){mp[{a/c,b/c}]++;continue;} mp[{a/c,b/c}]=1; if(a>0)v[0].push_back({a/c,b/c}); else v[1].push_back({a/c,b/c}); } sort(v[0].begin(),v[0].end(),cmp); sort(v[1].begin(),v[1].end(),cmp); vector<pll> w; if(r[1])w.push_back({0,-1}); rep(i,0,v[0].size())w.push_back(v[0][i]); if(r[0])w.push_back({0,1}); rep(i,0,v[1].size())w.push_back(v[1][i]); mp[{0,1}]=r[0]; mp[{0,-1}]=r[1]; ll mae[w.size()]; ll saki[w.size()]; rep(i,0,w.size()){ ll u=i,d=-1; ll f=-w[i].first,g=-w[i].second; pll pp={f,g}; if(f<0)pp={0,-1}; while(u-d>1){ ll mid=(u+d)/2; if(pp==w[mid]){ d=mid; continue; } if(cmp(w[mid],pp))d=mid; else u=mid; } mae[i]=d; } rep(i,0,w.size()){ ll u=w.size(),d=i; ll f=-w[i].first,g=-w[i].second; pll pp={f,g}; if(f>0)pp={-1,-9999999999999}; while(u-d>1){ ll mid=(u+d)/2; if(pp==w[mid]){ d=mid; continue; } if(cmp(w[mid],pp))d=mid; else u=mid; } saki[i]=d; } rep(i,0,w.size()){ //cout<<saki[i]<<endl; }//return 0; rep(i,0,w.size()){ //cout<<w[i].first<<" "<<w[i].second<<" "<<mp[w[i]]<<endl; } ll ans=0; rep(i,0,w.size()){ ll dp[w.size()+1][3]; memset(dp,0,sizeof dp); dp[i][0]=mp[w[i]]; //ll now=i; ll sum[w.size()+1][3]; memset(sum,0,sizeof sum); sum[i+1][0]=dp[i][0]; rep(j,i+1,w.size()){ rep(k,1,3){ dp[j][k]=mp[w[j]]*(sum[j][k-1]-sum[mae[j]+1][k-1]); sum[j+1][k]=sum[j][k]+dp[j][k]; } sum[j+1][0]=sum[j][0]; } ll ee=saki[i]; ee++; if(ee<w.size()){ pll pp={-w[i].first,-w[i].second}; if(pp==w[ee])ee++; } rep(j,ee,w.size()){ ans+=dp[j][2]; } //cout<<ee<<endl; /*if(i==1){ rep(j,0,w.size()){ rep(k,0,3)cout<<dp[j][k]<<" "; cout<<endl; } }*/ } cout<<ans<<endl; }