Submission #23686

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
23686	2017-05-21 03:26:40	kdh9949	Toll (APIO13_toll)	C++14	100 / 100	1696 ms	24696 KiB

toll

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
struct Edg{
  int s, e, c, i;
  bool operator<(const Edg &oth) const {
    return c < oth.c;
  }
};
int n, m, k, s[21], e[21], p[100010], wh[100010], ch[300022], chk[22], par[22], pc[22], dep[22], mi, cnt;
ll sp[22], a[22], ans;
vector<Edg> av, v, sv, t[100010], st[22], nv;
struct Dsu{
  int p[100010];
  void ini(int n){
    for(int i = 1; i <= n; i++) p[i] = i;
  }
  int fnd(int x){ return p[x] = (x == p[x] ? x : fnd(p[x])); }
  void uni(int x, int y){ p[fnd(x)] = fnd(y); }
} D;
void bld(){
  sort(v.begin(), v.end());
  D.ini(n);
  for(auto &i : v){
    if(D.fnd(i.s) == D.fnd(i.e)) continue;
 
 
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Compilation message (stderr)

toll.cpp: In function 'int main()':
toll.cpp:111:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &m, &k);
                             ^
toll.cpp:113:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &c);
                              ^
toll.cpp:118:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", s + i, e + i);
                              ^
toll.cpp:120:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1; i <= n; i++) scanf("%d", p + i);
                                                ^

• Subtask 1: 16 / 16
• Subtask 2: 18 / 18
• Subtask 3: 22 / 22
• Subtask 4: 22 / 22
• Subtask 5: 22 / 22