Submission #397056

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
397056	2021-05-01 08:59:03	Nicholas_Patrick	One-Way Streets (CEOI17_oneway)	C++17	100 / 100	266 ms	26812 KiB

oneway

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#include <cstdio>
#include <queue>
#include <string>
using namespace std;
struct edge{
  int f, t, i;
};
string ans;
//graph 1
vector<vector<edge>> adjLis1;
vector<int> dt, low;
int t;
vector<int> p;
int par(int x){
  if(p[x]==x)
    return x;
  return p[x]=par(p[x]);
}
vector<int> pp;
int ppar(int x){
  if(pp[x]==x)
    return x;
  return pp[x]=ppar(pp[x]);
}
//graph 2
vector<edge> edgeLis;
vector<vector<edge>> adjLis2;
//graph 1: graph 2
void dfs1(int x, int pi=-1){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:148:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  148 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
oneway.cpp:155:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  155 |   scanf("%d%d", &inp.f, &inp.t), inp.f--, inp.t--;
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp:197:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  197 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
oneway.cpp:200:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  200 |   scanf("%d%d", &x, &y), x--, y--;
      |   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40