Submission #43016

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
43016	2018-03-08 05:39:37	RayaBurong25_1	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	153 ms	21792 KiB

oneway

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#include <stdio.h>
#include <vector>
#include <cassert>
typedef struct edge edge;
struct edge
{
    int u, v;
};
std::vector<edge> E;
int inMST[100005];
std::vector<edge> AdjList[100005];
int Pa[100005];
int UF(int u)
{
    return (Pa[u] == 0)?u:(Pa[u] = UF(Pa[u]));
}
int vis[100005];
int p[100005][20];
int h[100005];
int pi[100005];
void dfsCyc(int u)
{
    // printf("dfsCyc %d\n", u);
    int i, v, s = AdjList[u].size();
    for (i = 0; i < s; i++)
    {
        v = AdjList[u][i].u;
        if (v != p[u][0])
        {
            // printf("  v %d\n", v);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:126:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &M);
                           ^
oneway.cpp:130:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &u, &v);
                               ^
oneway.cpp:184:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &P);
                    ^
oneway.cpp:187:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &u, &v);
                               ^

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