Submission #456196

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
456196	2021-08-06 08:48:38	sean617	Race (IOI11_race)	C++98	Compilation error	0 ms	0 KiB

race

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#include <iostream>
#include <cstdio>
#include <cstring>
#include <vector>
#include <queue>
#define N 200005
#define A 1000005
using namespace std;
int n, k, mn, M = 1e9, s[A], sz[N];
bool v2[N];
vector<int> a[N], b[N];
queue<int> qu;
int gs(int p, int q) {
  int i, t;
  sz[p] = 1;
  for (i = 0; i < a[p].size(); i++) {
    t = a[p][i];
    if (t == q || v2[t]) continue;
    sz[p] += gs(t, p);
  }
  return sz[p];
}
int gc(int p, int q, int nn) {
  int i, t;
  for (i = 0; i < a[p].size(); i++) {
    t = a[p][i];
    if (t != q && !v2[t] && sz[t] *2 > nn) return gc(t, p, nn);
 
 
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Compilation message (stderr)

race.cpp: In function 'int gs(int, int)':
race.cpp:18:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for (i = 0; i < a[p].size(); i++) {
      |              ~~^~~~~~~~~~~~~
race.cpp: In function 'int gc(int, int, int)':
race.cpp:28:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for (i = 0; i < a[p].size(); i++) {
      |              ~~^~~~~~~~~~~~~
race.cpp: In function 'void g(int, int, int, int)':
race.cpp:39:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for (i = 0; i < a[p].size(); i++) {
      |              ~~^~~~~~~~~~~~~
race.cpp: In function 'void up(int, int, int, int)':
race.cpp:57:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |  for (i = 0; i < a[p].size(); i++) {
      |              ~~^~~~~~~~~~~~~
race.cpp: In function 'void f(int)':
race.cpp:74:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |  for (i = 0; i < a[cen].size(); i++) {
      |              ~~^~~~~~~~~~~~~~~
race.cpp:80:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |  for (i = 0; i < a[cen].size(); i++) {
      |              ~~^~~~~~~~~~~~~~~
race.cpp: In function 'int main()':
race.cpp:92:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   92 |   scanf ("%d %d %d", &t1, &t2, &t3);
      |   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccDSi909.o: in function `main':
race.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccrtXT09.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccrtXT09.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status