Submission #23124

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
23124	2017-05-03 10:35:23	model_code	Pipes (CEOI15_pipes)	C++14	100 / 100	1480 ms	12088 KiB

pipes

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#include <stdio.h>
#define MAXM 300000
#define MAXN 100000
enum {
  REDUNDANT,
  BRIDGE,
  NEEDED,
};
static struct edge
{
  int u, v;
  int state;
} es[MAXM];
static int nes;
static struct edge *ns[2 * MAXM];
static int elb[MAXN + 2];
static int level[MAXN];
static enum {UNVISITED, OPEN, CLOSED} state[MAXN];
static int component[MAXN];
static int acomp;
static int comp_stack[MAXN];
static int csn;
static int
other_end (struct edge *e, int x)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pipes.cpp: In function 'int main()':
pipes.cpp:164:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%d%d", &n, &m);
   ~~~~~~^~~~~~~~~~~~~~~~
pipes.cpp:172:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf ("%d%d", &u, &v);
       ~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10