Submission #53730

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
53730	2018-07-01 06:07:52	fallingstar	Simurgh (IOI17_simurgh)	C++14	51 / 100	359 ms	7136 KiB

simurgh

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#include "simurgh.h"
#include <cassert>
#include <iostream>
#include <vector>
#include <set>
using namespace std;
const int N = 240 + 2;
int n;
int eid[N][N];
bool royal[N][N];
struct TEdge { int u, v, id; };
vector<TEdge> el;
vector<TEdge*> SpanningTree(const vector<TEdge*> &elist)
{
    vector<int> cpn(n);
    for (int i = 0; i < n; ++i) cpn[i] = i;
    vector<TEdge*> ret;
    for (auto e: elist)
        if (cpn[e->u] != cpn[e->v])
        {
            int old_cpn = cpn[e->v];
            for (int i = 0; i < n; ++i)
                if (cpn[i] == old_cpn) cpn[i] = cpn[e->u];
            ret.push_back(e);
 
 
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Compilation message (stderr)

In file included from /usr/include/c++/7/cassert:44:0,
                 from simurgh.cpp:3:
simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:69:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         assert(base.size() == n - 1);
                ~~~~~~~~~~~~^~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 17 / 17
• Subtask 3: 21 / 21
• Subtask 4: 0 / 19
• Subtask 5: 0 / 30