Submission #480704

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
480704	2021-10-17 22:39:00	hidden1	Railway (BOI17_railway)	C++14	100 / 100	167 ms	36648 KiB

railway

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#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
#ifndef LOCAL
#define cerr if(false) cerr
#endif
const ll MAX_N = 1e5 + 10, MAX_LOG = 20;;
vector<pair<ll, ll> > g[MAX_N];
ll par[MAX_N][MAX_LOG];
ll d[MAX_N];
ll ind[MAX_N], cnt[MAX_N];
ll in[MAX_N], out[MAX_N], tme; 
vector<ll> ans;
ll n, m, k;
void dfs(ll x, ll p) {
    par[x][0] = p;
    for(ll i = 1; i < MAX_LOG; i ++) {
        par[x][i] = par[par[x][i - 1]][i - 1];
    }
    d[x] = d[p] + 1;
 
 
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Compilation message (stderr)

railway.cpp: In function 'void addCnt(std::vector<long long int>&)':
railway.cpp:79:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for(ll i = 1; i < vert.size(); i ++) {
      |                   ~~^~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25