結果
問題 | No.1625 三角形の質問 |
ユーザー | t98slider |
提出日時 | 2021-11-23 07:13:35 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 8,679 bytes |
コンパイル時間 | 2,332 ms |
コンパイル使用メモリ | 194,772 KB |
実行使用メモリ | 183,876 KB |
最終ジャッジ日時 | 2024-06-25 02:31:57 |
合計ジャッジ時間 | 40,860 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
6,816 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 571 ms
131,444 KB |
testcase_17 | AC | 716 ms
130,920 KB |
testcase_18 | AC | 1,380 ms
153,084 KB |
testcase_19 | AC | 880 ms
148,588 KB |
ソースコード
#include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++) #define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++) #define codefor int test;scanf("%d",&test);while(test--) #define INT(...) int __VA_ARGS__;in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;in(__VA_ARGS__) #define yes(ans) if(ans)printf("yes\n");else printf("no\n") #define Yes(ans) if(ans)printf("Yes\n");else printf("No\n") #define YES(ans) if(ans)printf("YES\n");else printf("NO\n") #define popcount(v) __builtin_popcount(v) #define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) using namespace std; using ll = long long; template<class T> using rpriority_queue = priority_queue<T, vector<T>, greater<T>>; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=1LL<<60; void scan(int& a){scanf("%d",&a);} void scan(long long& a){scanf("%lld",&a);} template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);} template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));} template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i);} template<class T> void scan(T& a){cin>>a;} template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);} void in(){} template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);} void print(const int& a){printf("%d",a);} void print(const long long& a){printf("%lld",a);} void print(const double& a){printf("%.15lf",a);} template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);} template<class T> void print(const T& a){cout<<a;} template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}} void out(){putchar('\n');} template<class T> void out(const T& t){print(t);putchar('\n');} template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);} template<class T> void dprint(const T& a){cerr<<a;} template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}} void debug(){cerr<<endl;} template<class T> void debug(const T& t){dprint(t);cerr<<endl;} template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);} ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;} ll updivide(ll a,ll b){return (a+b-1)/b;} template<class T> void chmax(T &a,const T b){if(b>a)a=b;} template<class T> void chmin(T &a,const T b){if(b<a)a=b;} //2次元セグ木 template <class S, S (*op)(S, S), S (*e)(), class C> struct segtree2D_lite { int H; std::vector<int> logsize, W; std::vector<C> Yc, Xc; std::vector<std::vector<C>> pos; std::vector<std::pair<C, C> > preorder; std::vector<std::vector<S>> d; segtree2D_lite() {} void insert(C y, C x){ preorder.emplace_back(y, x); } void build(){ for(int i = 0; i < int(preorder.size()) ; i++){ Yc.push_back(preorder[i].first); Xc.push_back(preorder[i].second); } std::sort(Yc.begin(), Yc.end()), std::sort(Xc.begin(), Xc.end()); Yc.erase(std::unique(Yc.begin(), Yc.end()), Yc.end()); Xc.erase(std::unique(Xc.begin(), Xc.end()), Xc.end()); H = 1 << ceil_pow2(Yc.size()); pos.resize(2*H), d.resize(2*H); logsize.resize(2*H), W.resize(2*H); for(int i = 0; i < int(preorder.size()) ; i++){ int y = std::lower_bound(Yc.begin(), Yc.end(), preorder[i].first) - Yc.begin(); int x = std::lower_bound(Xc.begin(), Xc.end(), preorder[i].second) - Xc.begin(); y += H; while(y){ pos[y].push_back(x); y >>= 1; } } for(int y = 0; y < int(pos.size()) ; y++){ std::sort(pos[y].begin(), pos[y].end()); pos[y].erase(std::unique(pos[y].begin(), pos[y].end()), pos[y].end()); logsize[y] = ceil_pow2(pos[y].size()); W[y] = 1 << logsize[y] ; d[y].resize(2 * W[y] , e()); } } void set(C py, C px, S v){ int y = std::lower_bound(Yc.begin(), Yc.end(), py) - Yc.begin(); int x = std::lower_bound(Xc.begin(), Xc.end(), px) - Xc.begin(); y += H; while(y){ int x2 = std::lower_bound(pos[y].begin(), pos[y].end(), x) - pos[y].begin(); x2 += W[y]; d[y][x2] = v; x2 >>= 1; while(x2){ updateX(y, x2); x2 >>= 1; } y >>= 1; } } S get(C py, C px){ int y = std::lower_bound(Yc.begin(), Yc.end(), py) - Yc.begin(); int x = std::lower_bound(Xc.begin(), Xc.end(), px) - Xc.begin(); x = std::lower_bound(pos[y].begin(), pos[y].end(), x) - pos[y].begin(); return d[y + H][x + W[y]]; } S prod(C lpy, C lpx , C rpy , C rpx){ int ly = std::lower_bound(Yc.begin(), Yc.end(), lpy) - Yc.begin(); int ry = std::lower_bound(Yc.begin(), Yc.end(), rpy) - Yc.begin(); int lx = std::lower_bound(Xc.begin(), Xc.end(), lpx) - Xc.begin(); int rx = std::lower_bound(Xc.begin(), Xc.end(), rpx) - Xc.begin(); S sml = e(), smr = e(); ly += H, ry += H + 1; if(ry > 2*H)ry = 2*H; while (ly < ry) { if (ly & 1) sml = op(sml, yline_prod(lx, rx , ly++)); if (ry & 1) smr = op(yline_prod(lx, rx , --ry), smr); ly >>= 1; ry >>= 1; } return op(sml, smr); } S yline_prod(int lpx,int rpx ,int y){ int lx = std::lower_bound(pos[y].begin(), pos[y].end(), lpx) - pos[y].begin(); int rx = std::lower_bound(pos[y].begin(), pos[y].end(), rpx) - pos[y].begin(); S sml = e(), smr = e(); lx += W[y], rx += W[y] + 1; if(rx > 2*W[y])rx = 2*W[y]; while (lx < rx) { if (lx & 1) if(lx>=0&&lx<d[y].size())sml = op(sml, d[y][lx++]); if (rx & 1) if(rx-1>=0&&rx-1<d[y].size())smr = op(d[y][--rx], smr); lx >>= 1; rx >>= 1; } return op(sml, smr); } private: int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } void updateX(int yi, int xi) { d[yi][xi] = op(d[yi][2 * xi], d[yi][2 * xi + 1]); } }; ll op(ll a,ll b){return max(a,b);} ll e(){return -1;} int main(){ INT(n,q); segtree2D_lite<ll,op,e,int> seg; vector<array<ll,6>> a(n); vector2d(ll,qe,q,1); rep(i,n){ in(a[i]); seg.insert(min({a[i][0],a[i][2],a[i][4]}),max({a[i][0],a[i][2],a[i][4]})); } rep(i,q){ in(qe[i][0]); if(qe[i][0]==1){ qe[i].resize(7); rep(j,6)in(qe[i][j+1]); seg.insert(min({qe[i][1],qe[i][3],qe[i][5]}),max({qe[i][1],qe[i][3],qe[i][5]})); }else{ qe[i].resize(3); in(qe[i][1],qe[i][2]); seg.insert(qe[i][1],qe[i][1]); seg.insert(qe[i][2],qe[i][2]); } } seg.build(); auto f=[&](ll x1,ll y1,ll x2,ll y2,ll x3,ll y3){ ll dx1=x2-x1,dx2=x3-x1,dy1=y2-y1,dy2=y3-y1; return abs(dx1*dy2-dx2*dy1); }; rep(i,n){ int l=min({a[i][0],a[i][2],a[i][4]}); int r=max({a[i][0],a[i][2],a[i][4]}); seg.set(l,r,max(seg.get(l,r),f(a[i][0],a[i][1],a[i][2],a[i][3],a[i][4],a[i][5]))); } rep(i,q){ if(qe[i][0]==1){ int l=min({qe[i][1],qe[i][3],qe[i][5]}); int r=max({qe[i][1],qe[i][3],qe[i][5]}); seg.set(l,r,max(seg.get(l,r),f(qe[i][1],qe[i][2],qe[i][3], qe[i][4],qe[i][5],qe[i][6]))); }else{ int l=qe[i][1]; int r=qe[i][2]; out(seg.prod(l,l,r,r)); } } }