Submission #216894

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
216894	2020-03-28 10:17:02	eriksuenderhauf	Capital City (JOI20_capital_city)	C++11	100 / 100	282 ms	61788 KiB

capital_city

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//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define trav(x,a) for (const auto& x: a)
#define sz(x) (int)(x).size()
#define mem(a,v) memset((a), (v), sizeof (a))
#define enl printf("\n")
#define case(t) printf("Case #%d: ", (t))
#define ni(n) scanf("%d", &(n))
#define nl(n) scanf("%I64d", &(n))
#define nai(a, n) for (int _i = 0; _i < (n); _i++) ni(a[_i])
#define nal(a, n) for (int _i = 0; _i < (n); _i++) nl(a[_i])
#define pri(n) printf("%d\n", (n))
#define prl(n) printf("%I64d\n", (n))
#define pii pair<int, int>
#define pll pair<long long, long long>
#define vii vector<pii>
#define vll vector<pll>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define mp make_pair
#define st first
#define nd second
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef cc_hash_table<int,int,hash<int>> ht;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> oset;
 
 
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Compilation message (stderr)

capital_city.cpp: In constructor 'lowest_common_ancestor::lowest_common_ancestor(std::vector<std::vector<int> >&, int)':
capital_city.cpp:64:24: warning: 'lowest_common_ancestor::e' will be initialized after [-Wreorder]
   vector<vector<int>>& e;
                        ^
capital_city.cpp:63:24: warning:   'std::vector<int> lowest_common_ancestor::par' [-Wreorder]
   vector<int> a, v, h, par;
                        ^~~
capital_city.cpp:66:3: warning:   when initialized here [-Wreorder]
   lowest_common_ancestor(vector<vector<int>> & e, int r) : n(e.size()), a(n), v(2 * n - 1), h(2 * n - 1), e(e), par(n) {
   ^~~~~~~~~~~~~~~~~~~~~~
capital_city.cpp: In constructor 'strongly_connected_components::strongly_connected_components(std::vector<std::vector<int> >&)':
capital_city.cpp:93:24: warning: 'strongly_connected_components::e' will be initialized after [-Wreorder]
   vector<vector<int>>& e;
                        ^
capital_city.cpp:92:33: warning:   'std::vector<int> strongly_connected_components::cnt' [-Wreorder]
   vector<int> s, num, low, com, cnt;
                                 ^~~
capital_city.cpp:94:3: warning:   when initialized here [-Wreorder]
   strongly_connected_components(vector<vector<int>> & e) : n(e.size()), ins(n), num(n, -1), low(n), com(n), e(e), cnt(n) {
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
capital_city.cpp: In function 'int main()':
capital_city.cpp:137:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int n, k; scanf("%d %d", &n, &k);
             ~~~~~^~~~~~~~~~~~~~~~~
capital_city.cpp:140:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &u, &v); u--, v--;
     ~~~~~^~~~~~~~~~~~~~~~~
capital_city.cpp:145:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &c[i]); c[i]--;
     ~~~~~^~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59