結果
| 問題 |
No.1226 I hate Robot Arms
|
| コンテスト | |
| ユーザー |
ゆきのん
|
| 提出日時 | 2020-09-22 19:42:55 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,097 bytes |
| コンパイル時間 | 1,951 ms |
| コンパイル使用メモリ | 176,100 KB |
| 実行使用メモリ | 16,128 KB |
| 最終ジャッジ日時 | 2024-06-26 09:52:37 |
| 合計ジャッジ時間 | 17,926 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | WA * 28 |
コンパイルメッセージ
main.cpp: In lambda function:
main.cpp:127:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
127 | auto [lx, ly, ls] = l;
| ^
main.cpp:128:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
128 | auto [rx, ry, rs] = r;
| ^
main.cpp: In function 'int main()':
main.cpp:144:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
144 | auto [x, y, sth] = seg[i-1];
| ^
main.cpp:151:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
151 | auto [x, y, th] = seg[i-1];
| ^
ソースコード
#include<bits/stdc++.h>
using namespace std;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define ALL(A) A.begin(),A.end()
#define RALL(A) A.rbegin(),A.rend()
typedef long long ll;
typedef pair<ll,ll> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename T> T gcd(T a,T b){return b?gcd(b,a%b):a;}
const ll mod=998244353;
const ll LINF=1ll<<60;
const int INF=1<<30;
int dx[]={1,0,-1,0,1,-1,1,-1};
int dy[]={0,1,0,-1,1,-1,-1,1};
template< typename Monoid, typename F >
struct SegmentTree {
int sz;
vector< Monoid > seg;
const F f;
const Monoid M1;
SegmentTree(int n, const F f, const Monoid &M1) : f(f), M1(M1) {
sz = 1;
while(sz < n) sz <<= 1;
seg.assign(2 * sz, M1);
}
void set(int k, const Monoid &x) {
seg[k + sz] = x;
}
void build() {
for(int k = sz - 1; k > 0; k--) {
seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
}
}
void update(int k, const Monoid &x) {
k += sz;
seg[k] = x;
while(k >>= 1) {
seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
}
}
Monoid query(int a, int b) {
Monoid L = M1, R = M1;
for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
if(a & 1) L = f(L, seg[a++]);
if(b & 1) R = f(seg[--b], R);
}
return f(L, R);
}
Monoid operator[](const int &k) const {
return seg[k + sz];
}
template< typename C >
int find_subtree(int a, const C &check, Monoid &M, bool type) {
while(a < sz) {
Monoid nxt = type ? f(seg[2 * a + type], M) : f(M, seg[2 * a + type]);
if(check(nxt)) a = 2 * a + type;
else M = nxt, a = 2 * a + 1 - type;
}
return a - sz;
}
template< typename C >
int find_first(int a, const C &check) {
Monoid L = M1;
if(a <= 0) {
if(check(f(L, seg[1]))) return find_subtree(1, check, L, false);
return -1;
}
int b = sz;
for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
if(a & 1) {
Monoid nxt = f(L, seg[a]);
if(check(nxt)) return find_subtree(a, check, L, false);
L = nxt;
++a;
}
}
return -1;
}
template< typename C >
int find_last(int b, const C &check) {
Monoid R = M1;
if(b >= sz) {
if(check(f(seg[1], R))) return find_subtree(1, check, R, true);
return -1;
}
int a = sz;
for(b += sz; a < b; a >>= 1, b >>= 1) {
if(b & 1) {
Monoid nxt = f(seg[--b], R);
if(check(nxt)) return find_subtree(b, check, R, true);
R = nxt;
}
}
return -1;
}
};
template< typename Monoid, typename F >
SegmentTree< Monoid, F > get_segment_tree(int N, const F& f, const Monoid& M1) {
return {N, f, M1};
}
using S = tuple<long double, long double, long double>;
int main(){
int n,q;cin >> n >> q;
auto f = [](S l, S r){
auto [lx, ly, ls] = l;
auto [rx, ry, rs] = r;
long double xx = rx * cos(ls) - ry * sin(ls), yy = rx * sin(ls) + ry * cos(ls);
long double nx = lx + xx, ny = ly + yy, ns = ls + rs;
return S{nx, ny, ns};
};
auto seg = get_segment_tree(n, f, S{0.0, 0.0, 0.0});
for (int i = 0; i < n; i++) {
seg.update(i, {0.0, 1.0, 0.0});
}
seg.build();
while(q--){
int t;cin >> t;
if(t == 0){
int i;cin >> i;
long double th;cin >> th;
th = th / 180 * acosl(-1);
auto [x, y, sth] = seg[i-1];
long double r = sqrt(x * x + y * y);
seg.update(i-1, {r * cos(th), r * sin(th), th});
}
else if(t == 1){
int i;cin >> i;
long double r;cin >> r;
auto [x, y, th] = seg[i-1];
seg.update(i-1, {r * cos(th), r * sin(th), th});
}
else{
int i;cin >> i;
auto t = seg.query(0, i);
cout << setprecision(30) << fixed << get<0>(t) << " " << get<1>(t) << endl;
}
}
return 0;
}
ゆきのん