Submission #202039

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
202039	2020-02-13 08:00:11	HellAngel	Split the Attractions (IOI19_split)	C++14	Compilation error	0 ms	0 KiB

split

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#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 100007;
int ans, sz[maxn], n, m;
int col[maxn];
pair<int, int> a[4];
vector<int> vt[maxn];
void DFS(int u, int p)
{
    sz[u] = 1;
    for(auto v: vt[u])
    {
        if(v != p)
        {
            DFS(v, u);
            sz[u] += sz[v];
        }
    }
}
int FindCen(int u, int p)
{
    int Big = -1;
    bool ok = true;
    for(auto v: vt[u])
    {
        if(v == p) continue;
        if(sz[v] * 2 > sz[1]) ok = false;
 
 
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Compilation message (stderr)

split.cpp: In function 'void Solve(long long int, long long int, long long int, long long int)':
split.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < ahihi.size(); i++)
                    ~~^~~~~~~~~~~~~~
split.cpp: In function 'int32_t main()':
split.cpp:64:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     if(fopen("test.inp", "r")) freopen("test.inp", "r", stdin);
                                ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/tmp/ccw1NYzH.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc53E5bG.o:split.cpp:(.text.startup+0x0): first defined here
/tmp/ccw1NYzH.o: In function `main':
grader.cpp:(.text.startup+0x27a): undefined reference to `find_split(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status