Submission #7323

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
7323	2014-08-01 00:43:35	kriii	Race (IOI11_race)	C++98	100 / 100	801 ms	25836 KiB

race

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#include "race.h"
#include <algorithm>
#include <vector>
using namespace std;
#define MAX_N 200001
#define MAX_K 1000001
const int non = 0x3fffffff;
vector<int> G[MAX_N];
int ex[MAX_N],ey[MAX_N],l[MAX_N],K;
bool forb[MAX_N];
int ts,chk[MAX_N],cut[MAX_N],Q[MAX_N],depth[MAX_N],len[MAX_N],sz[MAX_N],line[MAX_K];
int gety(int x, int i){
  return x == ex[i] ? ey[i] : ex[i];
}
int dfs(int x)
{
  int head, tail, res = non;
  head = tail = -1;
  Q[++head] = x; chk[x] = ts; depth[x] = 0;
  while (tail < head){
    int p = Q[++tail];
    for (int i=0;i<G[p].size();i++) if (!forb[G[p][i]]){
      int q = gety(p,G[p][i]);
      if (chk[q] != ts){
        Q[++head] = q;
        chk[q] = ts;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

race.cpp: In function 'int dfs(int)':
race.cpp:26:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0;i<G[p].size();i++) if (!forb[G[p][i]]){
                ~^~~~~~~~~~~~
race.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i=0;i<G[p].size();i++) if (!forb[G[p][i]]){
                 ~^~~~~~~~~~~~
race.cpp:64:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0;i<G[x].size();i++) if (!forb[G[x][i]]){
                ~^~~~~~~~~~~~
race.cpp:78:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<G[p].size();i++) if (!forb[G[p][i]]){
                  ~^~~~~~~~~~~~
race.cpp:100:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0;i<G[x].size();i++) if (!forb[G[x][i]]){
                ~^~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57