Submission #583259

#	Time	Username	Problem	Language	Result	Execution time	Memory
583259		Koosha_mv	Escape Route (JOI21_escape_route)	C++17	5 / 100	9050 ms	111996 KiB

escape_route

#include "escape_route.h"
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=101;

int n,m,vis[N];
ll t,P;
pair<ll,ll> dist[N];
vector<pair<int,pair<ll,ll>>> g[N];

vector<ll> calculate_necessary_time(int _n,int _m,ll _P,int Q,vector<int> A,vector<int> B,vector<ll> L,vector<ll> C,vector<int> U,vector<int> V,vector<ll> T){
    n=_n,m=_m,P=_P;
    vector<ll> ans(Q);
    f(i,0,m){
        g[A[i]].pb({B[i],{C[i]-L[i],L[i]}});
        g[B[i]].pb({A[i],{C[i]-L[i],L[i]}});
    }
    f(C,0,U.size()){
        int u=U[C],v=V[C];
        ll t=T[C];
        f(i,0,n) vis[i]=0,dist[i]={N,0};
        dist[u]={0,t}; 
        f(T,0,n){
            int id=-1;
            f(i,0,n){
                if(vis[i]==0 && (id==-1 || dist[i]<dist[id])){
                    id=i;
                }
            }
            vis[id]=1;
            f(i,0,g[id].size()){
                int nxt=g[id][i].F;
                ll c=g[id][i].S.F,l=g[id][i].S.S;
                if(dist[id].S<=c){
                    minm(dist[nxt],mp(dist[id].F,dist[id].S+l));
                }
                else{
                    minm(dist[nxt],mp(dist[id].F+1,l));
                }
            }
        }
        ans[C]=P*dist[v].F+dist[v].S-t;
    }
    return ans;
}

Compilation message (stderr)

escape_route.cpp: In function 'std::vector<long long int> calculate_necessary_time(int, int, long long int, int, std::vector<int>, std::vector<int>, std::vector<long long int>, std::vector<long long int>, std::vector<int>, std::vector<int>, std::vector<long long int>)':
escape_route.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   38 |     f(C,0,U.size()){
      |       ~~~~~~~~~~~~             
escape_route.cpp:38:5: note: in expansion of macro 'f'
   38 |     f(C,0,U.size()){
      |     ^
escape_route.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   51 |             f(i,0,g[id].size()){
      |               ~~~~~~~~~~~~~~~~ 
escape_route.cpp:51:13: note: in expansion of macro 'f'
   51 |             f(i,0,g[id].size()){
      |             ^

• Subtask 1: 5 / 5
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 35
• Subtask 5: 0 / 30