Submission #348028

#	Time	Username	Problem	Language	Result	Execution time	Memory
348028		beksultan04	Split the Attractions (IOI19_split)	C++17	Compilation error	0 ms	0 KiB

split

#include "split.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define lol long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin()Ñ,s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
vector <int> v;
bool vis[100001];
int index[100001];
vector <int> g[100001];
void dfs(int x,int p){
    vis[x]=1;
    for (int to : g[x]){
        if (to != p && vis[to] == 0)dfs(to,x);
    }
    v.pb(x);
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	vector<int> res;
	int i,j,s=0;
	for (i=0;i<p.size();++i){
        g[p[i]].pb(q[i]);
        g[q[i]].pb(p[i]);
	}
	for (i=0;i<n;++i){
        if (g[i].size() == 1){
            s = i;
        }
	}
	dfs(s,-1);
	for (i=0;i<v.size();++i){
        if (i < a)index[i] = 1;
        else if (i < a+b)index[i] = 2;
        else index[i]=3;
	}
	for (i=0;i<n;++i){
        res.pb(index[i]);
	}
	return res;
}

Compilation message (stderr)

split.cpp:27:17: error: 'int index [100001]' redeclared as different kind of entity
   27 | int index[100001];
      |                 ^
In file included from /usr/include/string.h:431,
                 from /usr/include/c++/9/cstring:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:48,
                 from split.cpp:3:
/usr/include/strings.h:61:1: note: previous declaration 'const char* index(const char*, int)'
   61 | index (const char *__s, int __c) __THROW
      | ^~~~~
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:39:12: 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<p.size();++i){
      |           ~^~~~~~~~~
split.cpp:49:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |  for (i=0;i<v.size();++i){
      |           ~^~~~~~~~~
split.cpp:50:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   50 |         if (i < a)index[i] = 1;
      |                          ^
split.cpp:51:33: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   51 |         else if (i < a+b)index[i] = 2;
      |                                 ^
split.cpp:52:21: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   52 |         else index[i]=3;
      |                     ^
split.cpp:55:23: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   55 |         res.pb(index[i]);
      |                       ^
split.cpp:38:8: warning: unused variable 'j' [-Wunused-variable]
   38 |  int i,j,s=0;
      |        ^