結果

問題 No.2640 traO Stamps
ユーザー igeeeigeee
提出日時 2024-02-19 23:03:30
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 204 ms / 2,000 ms
コード長 5,233 bytes
コンパイル時間 4,829 ms
コンパイル使用メモリ 274,520 KB
実行使用メモリ 10,236 KB
最終ジャッジ日時 2024-02-19 23:03:43
合計ジャッジ時間 12,405 ms
ジャッジサーバーID
(参考情報)
judge12 / judge15
このコードへのチャレンジ
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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
6,676 KB
testcase_01 AC 2 ms
6,676 KB
testcase_02 AC 2 ms
6,676 KB
testcase_03 AC 2 ms
6,676 KB
testcase_04 AC 3 ms
6,676 KB
testcase_05 AC 2 ms
6,676 KB
testcase_06 AC 169 ms
9,804 KB
testcase_07 AC 182 ms
9,132 KB
testcase_08 AC 188 ms
9,592 KB
testcase_09 AC 179 ms
7,168 KB
testcase_10 AC 169 ms
10,028 KB
testcase_11 AC 157 ms
7,040 KB
testcase_12 AC 174 ms
9,624 KB
testcase_13 AC 150 ms
6,912 KB
testcase_14 AC 184 ms
9,580 KB
testcase_15 AC 178 ms
6,784 KB
testcase_16 AC 156 ms
9,308 KB
testcase_17 AC 165 ms
9,400 KB
testcase_18 AC 175 ms
7,040 KB
testcase_19 AC 173 ms
9,844 KB
testcase_20 AC 166 ms
9,984 KB
testcase_21 AC 177 ms
6,784 KB
testcase_22 AC 188 ms
9,588 KB
testcase_23 AC 163 ms
7,296 KB
testcase_24 AC 174 ms
7,040 KB
testcase_25 AC 168 ms
10,084 KB
testcase_26 AC 163 ms
9,344 KB
testcase_27 AC 175 ms
9,344 KB
testcase_28 AC 165 ms
9,344 KB
testcase_29 AC 180 ms
9,348 KB
testcase_30 AC 204 ms
10,184 KB
testcase_31 AC 203 ms
10,236 KB
testcase_32 AC 203 ms
9,944 KB
testcase_33 AC 185 ms
9,976 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
#define rrep(i,start,end) for (long long i = start;i >= (long long)(end);i--)
#define repn(i,end) for(long long i = 0; i <= (long long)(end); i++)
#define reps(i,start,end) for(long long i = start; i < (long long)(end); i++)
#define repsn(i,start,end) for(long long i = start; i <= (long long)(end); i++)
#define each(p,a) for(auto &p:a)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<long long> vll;
typedef vector<pair<long long ,long long>> vpll;
typedef vector<vector<long long>> vvll;
typedef set<ll> sll;
typedef map<long long , long long> mpll;
typedef pair<long long ,long long> pll;
typedef tuple<long long , long long , long long> tpl3;
#define LL(...) ll __VA_ARGS__; input(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__; input(__VA_ARGS__)
#define Str(...) string __VA_ARGS__; input(__VA_ARGS__)
#define Ch(...) char __VA_ARGS__; input(__VA_ARGS__)
#define all(a)  (a).begin(),(a).end()
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );
// << std::fixed << std::setprecision(10)
const ll INF = 1LL << 60;
const ld EPS = 1e-9;
 
inline ll lfloor(ll x,ll m){return (x - ((x % m+ m)%m))/m;}
inline ll positive_mod(ll a,ll m){return (a % m + m)%m;}
inline ll popcnt(ull a){ return __builtin_popcountll(a);}
template<class T> bool chmin(T& a, T b){if(a > b){a = b;return true;}return false;}
template<class T> bool chmax(T& a, T b){if(a < b){a = b;return true;}return false;}
template<typename T>
std::istream &operator>>(std::istream&is,std::vector<T>&v){for(T &in:v){is>>in;}return is;}
template<typename T>
std::ostream &operator<<(std::ostream&os,const std::vector<T>&v){for(auto it=std::begin(v);it!=std::end(v);){os<<*it<<((++it)!=std::end(v)?" ":"");}return os;}
template<class... T>void input(T&... a){(cin >> ... >> a);}
void print(){cout << endl;}
template<class T, class... Ts>void print(const T& a, const Ts&... b){cout << a;((cout << ' ' << b), ...);cout << endl;}
template<class T> void pspace(const T& a){ cout << a << ' ';}
void perr(){cerr << endl;}
template<class T, class... Ts>void perr(const T& a, const Ts&... b){cerr << a;((cerr << ' ' << b), ...);cerr << endl;}
void yes(bool i = true){ return print(i?"yes":"no"); }
void Yes(bool i = true){ return print(i?"Yes":"No"); }
void YES(bool i = true){ return print(i?"YES":"NO"); }
//grid探索用
vector<ll> _ta = {0,0,1,-1,1,1,-1,-1};
vector<ll> _yo = {1,-1,0,0,1,-1,1,-1};
bool isin(ll now_i,ll now_j,ll h,ll w){return (0<=now_i && now_i < h && 0 <= now_j && now_j < w);}
  
ll lpow(ll x,ll n){ll ans = 1;while(n >0){if(n & 1)ans *= x;x *= x;n >>= 1;}return ans;}
ll Modlpow(ll x,ll n,ll m){ll ans = 1;ll a = x%m;while(n >0){if(n & 1){ans *= a;ans%= m;}a *= a;a %= m;n >>= 1;}return ans;} 
const ll MOD9 = 998244353LL;
const ll MOD10 = 1000000007LL;

class RSQ{
  public:
  vector<ll> tree;
  ll siz = 0;
  RSQ(ll n){
    ll i = 0;
    while((1 << i) < n ){
      i++;
    }
    tree.resize(1<<(i+1));
    siz = 1 << i;
  }
 
  void init(ll n){
    ll i = 0;
    while((1 << i) < n ){
      i++;
    }
    tree.resize(1<<(i+1));
    siz = 1 << i;
  }
  
  void update(ll pos, ll x){
    pos = pos + siz-1;
    tree[pos] = x;
    while(pos >= 1){
      pos = (pos-1)/2;
      tree[pos] = tree[2 * pos +1]+tree[2 * (pos+1)];
    }
  }
  //[l,r) について、最初はa = 0,b = (SegmentTree).siz, p = 0 にしておく
  ll _query(ll l, ll r, ll a, ll b, ll p){
    if(r <= a or l >= b){
      return 0;
    }
    if(l <= a and b <= r){
      return tree[p];
    }
    ll m = (a + b)/2;
    ll ansl = _query(l,r,a,m,2 * p+1);
    ll ansr = _query(l,r,m,b,2 * (p+1));
    return ansl + ansr;
  }
 
  ll query(ll l ,ll r){
    return _query(l,r,0,siz,0);
  }
 
  ll operator[](ll pos){
    return tree[pos + siz -1];
  }
};

using P = pair<ll,ll>;
 
void Dijkstra(vector<ll> &dis,vector<vector<pair<ll,ll>>> &G,ll s){
  // G[i]<j,d> i->j の距離(d)
  // 「仮の最短距離, 頂点」が小さい順に並ぶ
  priority_queue<P,vector<P>,greater<P>>pq;
  dis[s] = 0;
  pq.push({dis[s],s});
  while(!pq.empty()){
    auto [len,now] = pq.top();
    pq.pop();
    if(dis[now]< len){
      continue;
    }
    for(auto &p:G[now]){
      // 注意!
      auto [next,cost] = p;
      if(dis[next] > dis[now] + cost){
        dis[next] = dis[now] + cost;
        pq.push({dis[next],next});
      }
    }
  }
}
 
int main(){
  ios::sync_with_stdio(false);cin.tie(nullptr);
  LL(n,m,k);
  k++;
  vll s(k);
  cin >> s;
  rep(i,k){
    s[i]--;
  }
  vector<vpll> g(n);
  rep(i,m){
    LL(a,b,c);
    a--;b--;
    g[a].push_back({b,c});
    g[b].push_back({a,c});
  }

  vvll dist(n,vll(n,INF));
  rep(i,n){
    Dijkstra(dist[i],g,i);
  }

  RSQ seg(k);//seg[i] = i -> i+1の移動コスト
  rep(i,k-1){
    seg.update(i,dist[s[i]][s[i+1]]);
  }
  LL(q);
  rep(z,q){
    LL(t,x,y);
    if(t == 1){
      y--;
      s[x] = y;
      if(x != k-1){
        seg.update(x,dist[s[x]][s[x+1]]);
      }
      if(x != 0){
        seg.update(x-1,dist[s[x-1]][s[x]]);
      }
    }else{
      // x--;y--;
      cout << seg.query(x,y) << endl;;
    }
  }
}
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