Submission #560207

#	Time	Username	Problem	Language	Result	Execution time	Memory
560207		armashka	Road Closures (APIO21_roads)	C++17	0 / 100	50 ms	3908 KiB

roads

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
#define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file(s) freopen(s".in", "r", stdin);freopen(s".out", "w", stdout);
#define nano chrono::steady_clock::now().time_since_epoch().count()
#define uid uniform_int_distribution<int>
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define sz size()
#define ft first
#define sd second
 
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
    
const int N = 2e5 + 10;
const int M = 2e3 + 5;
const ll inf = 1e15;
const ll mod = 998244353;
const double Pi = acos(-1); 
 
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll random(ll l, ll r) { mt19937 rnd(nano); uid dist(l, r); return dist(rnd); }
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }                                   
bool even(ll n) { return (n % 2 == 0); }

int n;

vector <ll> minimum_closure_costs(int N, vector <int> U, vector <int> V, vector <int> W) {
	ll ans = 0;
	vector <ll> res;
	for (int i = 0; i < N - 1; ++ i) ans += W[i];
	res.pb(ans);
	ll s1 = 0, s2 = 0;
	for (int i = 0; i < N - 1; ++ i) {
		if (even(i)) s1 += W[i];
		else s2 += W[i];
	}
	res.pb(ans - max(s1, s2));
	while (res.sz < N) res.pb(0);
	return res;
}

//signed main() {
//	vector <int> cur = minimum_closure_costs(4, {0, 2, 0}, {1, 0, 3}, {5, 10, 5});
//	for (auto x : cur) cout << x << " ";
//}

Compilation message (stderr)

roads.cpp:5: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    5 | #pragma comment(linker, "/stack:200000000")
      | 
roads.cpp: In function 'std::vector<long long int> minimum_closure_costs(int, std::vector<int>, std::vector<int>, std::vector<int>)':
roads.cpp:51:16: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   51 |  while (res.sz < N) res.pb(0);
      |         ~~~~~~~^~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 22