Submission #1201173

#TimeUsernameProblemLanguageResultExecution timeMemory
1201173shadow_samiDreaming (IOI13_dreaming)C++20
0 / 100
1096 ms21688 KiB
#include<bits/stdc++.h> #ifndef SAMI #include "dreaming.h" #endif #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; typedef long long int ll; typedef vector<ll> vi; typedef vector<vector<ll>> vvi; typedef pair<ll,ll> pi; typedef map<ll,ll> mi; typedef long double ld; typedef vector<ld> vd; typedef vector<vector<ld>> vvd; typedef pair<ld,ld> pd; #define ff first #define ss second #define srt(a) sort(a.begin(),a.end()); #define fip(k, n) for (ll i = k; i < n; i++) #define fjp(k, n) for (ll j = k; j < n; j++) #define fin(k, n) for (ll i = k; i >= n; i--) #define fjn(k, n) for (ll j = k; j >= n; j--) #define fp(k, n, m) for (ll k = n; k < m; k++) #define fn(k, n, m) for (ll k = n; k >= m; k--) #define ordered_set tree<pi, null_type,less< pi >, rb_tree_tag,tree_order_statistics_node_update> #define totalOne(n) __builtin_popcount(n) #define backZero(n) __builtin_ctzll(n) #define frontZero(n) __builtin_clzll(n) #define fx(k) for ( auto x : k ) #define test ll t;cin >> t;while (t--) #define nli "\n" // ==========================(debug)============================================================================================== // #ifdef SAMI #define debug(x) cerr<<#x;cerr<<" ";_printn(x);cerr<<nli; #define debg() cerr<<nli; #else #define debug(x) #define debg() #endif void _printn(ll x){ cerr<<x<<" "; } void _printn(int x){ cerr<<x<<" "; } void _printn(ld x){ cerr<<x<<" "; } void _printn(double x){ cerr<<x<<" "; } void _printn(string x){ cerr<<x<<" "; } void _printn(char x){ cerr<<x<<" "; } void _printn(bool x){ cerr<<x<<" "; } template<class T,class V>void _printn(pair<T,V> vv); template<class T> void _printn(vector<T> vv); template<class T> void _printn(set<T> vv); template<class T,class V> void _printn(map<T,V> vv); template<class T> void _printn(multiset<T> vv); template<class T,class V>void _printn(pair<T,V> vv){ cerr<<"( ";_printn(vv.ff);cerr<<",";_printn(vv.ss);cerr<<")";} template<class T> void _printn(vector<T> vv){ cerr<<"[ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"]"; }; template<class T> void _printn(set<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; }; template<class T> void _printn(multiset<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; }; template<class T,class V> void _printn(map<T,V> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; }; // ==========================(debug)============================================================================================== // ll n,m,tp,tp2,res,cnt,sum,tptp,ans; const ll mx = 5e5+5; const ll mod = 1e9+7; // ==========================(MOD)=============================================================================================== // ll mod_add(ll aa,ll bb){ return ((aa%mod)+(bb%mod))%mod; } ll mod_minus(ll aa,ll bb){ return (((aa%mod)-(bb%mod))+10*mod)%mod; } ll mod_mul(ll aa,ll bb){ return ((aa%mod)*(bb%mod))%mod; } ll mod_power(ll aa,ll bb){ aa%=mod; ll empowered = 1; bb%=mod-1; while(bb > 0){ if(bb & 1) empowered = mod_mul(empowered,aa); bb = bb >> 1; aa = mod_mul(aa,aa); } return empowered; } ll mod_divi(ll aa,ll bb){ aa=mod_mul(aa,mod_power(bb,mod-2)); return aa; } // ==========================(MOD)=============================================================================================== // bool f = false; vector<pi> adj[mx]; ll sr,de,wt; vi lis; bool mark[mx]; void dfs(ll u,ll par){ if(mark[u])return; mark[u] = 1; lis.push_back(u); fx(adj[u]) if(x.ff!=par){ dfs(x.ff,u); } return; } void dfs2(ll u,ll par,ll d){ sum = max(sum,d); fx(adj[u]) if(x.ff!=par){ dfs2(x.ff,u,d+x.ss); } } int travelTime(int N, int M, int L, int A[], int B[], int T[]) { n = N; m = M; tptp = L; fip(0,m){ cin>>sr>>de; sr = A[i]; de = B[i]; wt = T[i]; adj[sr].push_back({de,wt}); adj[de].push_back({sr,wt}); } fip(0,n)mark[i] = 0; vi v; fip(0,n){ if(!mark[i]){ lis.clear(); dfs(i,-1); res = 1e18; fx(lis){ sum = -1e18; dfs2(x,-1,0); res = min(sum,res); } v.push_back(res); } } srt(v); reverse(v.begin(),v.end()); return (v[0]+v[1]+tptp); } #ifdef SAMI int main(){ ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #ifdef SAMI freopen("input1.txt", "r", stdin); freopen("output1.txt", "w", stdout); freopen("error1.txt", "w", stderr); #endif // ONLINE_JUDGE int N,M,L; cin>>N>>M>>L; int A[M]; int B[M]; int T[M]; fip(0,M){ cin>>A[i]>>B[i]>>T[i]; } cout<<travelTime(N,M,L,A,B,T); cerr << "Time elapsed: " << setprecision(6) << 1000.0 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; } #endif
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...