#include <stdio.h>
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
const int mxn = 1e6 + 10;
struct we
{
int idx,val;
};
bool cmp(const struct we &l,const struct we &r)
{
return l.val < r.val;
}
struct we sot[mxn] = {};
char ans[mxn] = {};
int npop[mxn] = {},gr[mxn] = {},he[mxn] = {},siz[mxn] = {},u[mxn] = {};
vector<int> pat[mxn] = {},tre[mxn] = {};
int figr(int l)
{
int cl = l,f;
while(l != gr[l])
{
l = gr[l];
}
while(cl != gr[cl])
{
f = gr[cl];
gr[cl] = l;
cl = f;
}
return l;
}
int mer(int cl,int cr)
{
int l = figr(cl),r = figr(cr);
gr[r] = l;
siz[l] += siz[r];
return l;
}
int re(int cn)
{
int i,j,fn;
ans[cn] = '1';
for(i=0; i<tre[cn].size(); i++)
{
fn = tre[cn][i];
re(fn);
}
return 0;
}
int main()
{
int i,j,n,m,cn,cm,fn,fm;
scanf("%d %d",&n,&m);
for(i=0; i<n; i++)
{
scanf("%d",&npop[i]);
sot[i] = {i,npop[i]};
he[i] = i;
gr[i] = i;
siz[i] = npop[i];
ans[i] = '0';
}
for(i=0; i<m; i++)
{
scanf("%d %d",&cn,&cm);
pat[cn-1].push_back(cm-1);
pat[cm-1].push_back(cn-1);
}
sort(sot,sot+n,cmp);
for(i=0; i<n; i++)
{
cn = sot[i].idx;
u[cn] = 1;
for(j=0; j<pat[cn].size(); j++)
{
fn = pat[cn][j];
if(u[fn] == 0)
{
continue;
}
cm = figr(cn);
fm = figr(fn);
if(cm != fm)
{
if(siz[fm] >= npop[cn])
{
tre[cn].push_back(he[fm]);
}
mer(cm,fm);
}
}
}
re(sot[n-1].idx);
printf("%s\n",ans);
return 0;
}
Compilation message
passes.cpp: In function 'int re(int)':
passes.cpp:46:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | for(i=0; i<tre[cn].size(); i++)
| ~^~~~~~~~~~~~~~~
passes.cpp:44:11: warning: unused variable 'j' [-Wunused-variable]
44 | int i,j,fn;
| ^
passes.cpp: In function 'int main()':
passes.cpp:77:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
77 | for(j=0; j<pat[cn].size(); j++)
| ~^~~~~~~~~~~~~~~
passes.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
56 | scanf("%d %d",&n,&m);
| ~~~~~^~~~~~~~~~~~~~~
passes.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
59 | scanf("%d",&npop[i]);
| ~~~~~^~~~~~~~~~~~~~~
passes.cpp:68:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
68 | scanf("%d %d",&cn,&cm);
| ~~~~~^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
118 ms |
137292 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
120 ms |
137224 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
120 ms |
137224 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
118 ms |
137292 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
