Submission #85984

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
85984	2018-11-23 16:23:36	tjdgus4384	문명 (KOI17_civilization)	C++14	100 / 100	922 ms	43716 KiB

civilization

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#include<cstdio>
#include<string.h>
#include<queue>
using namespace std;
queue<pair<pair<int, int>, pair<int, int> > > q;
int pa[100001], sz[100001], rk[100001], ar[2001][2001];
int dx[4] = {0, 0, 1, -1};
int dy[4] = {1, -1, 0, 0};
int find(int u)
{
    if(pa[u] == u) return u;
    return pa[u] = find(pa[u]);
}
void merge(int u, int v)
{
    u = find(u); v = find(v);
    if(u == v) return;
    if(rk[u] > rk[v]) swap(u, v);
    pa[u] = v;
    sz[v] += sz[u];
    if(rk[u] == rk[v]) rk[v]++;
}
int main()
{
    int n, k;
    scanf("%d %d", &n, &k);
    for(int i = 1;i <= k;i++)
 
 
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Compilation message (stderr)

civilization.cpp: In function 'int main()':
civilization.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~
civilization.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 46 / 46