Submission #1147388

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147388		yeediot	Voting Cities (NOI22_votingcity)	C++20	0 / 100	12 ms	2892 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void CHECK();
void setio(){
    freopen("/Users/iantsai/cpp/input.txt","r",stdin);
    freopen("/Users/iantsai/cpp/output.txt","w",stdout);
}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
#define TOI_is_so_de ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);setio();
const int mxn = 5005;
vector<pii>adj[mxn];
int dis[mxn][1 << 5];
void solve(){
    int n, m, k;
    cin >> n >> m >> k;
    vector<int>st(k);
    priority_queue<array<int, 3>, vector<array<int, 3>>, greater<array<int, 3>>>pq;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < (1 << 5); j++){
            dis[i][j] = 1e18;
        }
    }
    for(auto &i : st){
        cin >> i;
        dis[i][0] = 0;
        pq.push({0, i, 0});
    }
    for(int i = 0; i < m; i++){
        int a, b, c;
        cin >> a >> b >> c;
        adj[b].pb({a, c});
    }
    while(sz(pq)){
        auto [d, v, msk] = pq.top();
        pq.pop();
        if(d != dis[v][msk]) continue;
        for(auto [u, l] : adj[v]){
            for(int i = 0; i < 5; i++){
                if(msk >> i & 1) continue;
                if(dis[u][msk | (1 << i)] > dis[v][msk] + l * (10 - i - 1) / 10){
                    dis[u][msk | (1 << i)] = dis[v][msk] + l * (10 - i - 1) / 10;
                    pq.push({dis[u][msk | (1 << i)], u, msk | (1 << i)});
                } 
            }
        }
    }
    int q;
    cin >> q;
    while(q--){
        int s, ans = 1e18;
        cin >> s;
        vector<int>vec(5);
        for(auto &i : vec){
            cin >> i;
        }
        for(int i = 0; i < (1 << 5); i++){
            int cost = 0;
            for(int j = 0; j < 5; j++){
                if(i >> j & 1){
                    if(vec[j] == -1){
                        cost = 1e18;
                        break;
                    }
                    cost += vec[j];
                }
            }
            debug(i, cost, dis[s][i]);
            chmin(ans, dis[s][i] + cost);
        }
        cout << ans << '\n';
    }
}
signed main(){
    TOI_is_so_de;
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
    #ifdef local
    CHECK();
    #endif
}
/*
input:
 
*/
#ifdef local
void CHECK(){
    cerr << "\n[Time]: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
    function<bool(string,string)> compareFiles = [](string p1, string p2)->bool {
        std::ifstream file1(p1);
        std::ifstream file2(p2);
        if(!file1.is_open() || !file2.is_open()) return false;
        std::string line1, line2;
        while (getline(file1, line1) && getline(file2, line2)) {
            if (line1 != line2)return false;
        }
        int cnta = 0, cntb = 0;
        while(getline(file1,line1))cnta++;
        while(getline(file2,line2))cntb++;
        return cntb - cnta <= 1;
    };
    bool check = compareFiles("output.txt","expected.txt");
    if(check) cerr<<"ACCEPTED\n";
    else cerr<<"WRONG ANSWER!\n";
}
#else
#endif

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 10
• Subtask 7: 0 / 15
• Subtask 8: 0 / 50