#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,i,j,ii,jj,zx,xc,f[100009],pas,msh[100009],zm[100009],fx[10000009];
//vector <pair <int, pair <int, int> > > P;
vector <pair <int, int> > P[10000009];
int fnd(int q){
if(msh[q]==0) return q; else return msh[q]=fnd(msh[q]);
}
void mrg(int q, int w){
q=fnd(q);w=fnd(w);
if(q==w) return;
pas+=e;
if(zm[q]<zm[w]) swap(q,w);
msh[w]=q;
if(zm[q]==zm[w]) zm[q]++;
}
int main(){
ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>a;map <int, int> ma;
zx=0;
for(i=1; i<=a; i++){
cin>>c;
if(ma[c]!=-1){
ma[c]=-1;
zx++;f[zx]=c;
}
}
a=zx;
for(i=1; i<=a; i++){
//cin>>f[i];
fx[f[i]]=i;
}
for(i=10000000; i>=0; i--){
if(fx[i]==0) fx[i]=fx[i+1];
}
for(i=1; i<=a; i++){
for(j=f[i]; j<=10000000; j+=f[i]){
if(j==f[i]) c=fx[j+1]; else c=fx[j];
if(c==0||f[c]-j>=f[i]) continue;
zx=(f[c]-j)%f[i];
//P.push_back({zx,{i,c}});
P[zx].push_back({i,c});
}
}
//sort(P.begin(),P.end());
/*for(ii=0; ii<P.size(); ii++){
e=P[ii].first;c=P[ii].second.first;d=P[ii].second.second;
mrg(c,d);
}*/
for(i=0; i<=10000000; i++){
for(ii=0; ii<P[i].size(); ii++){
e=i;c=P[i][ii].first;d=P[i][ii].second;
mrg(c,d);
}
}
cout<<pas;
return 0;
}
Compilation message
sirni.cpp: In function 'int main()':
sirni.cpp:51:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | for(ii=0; ii<P[i].size(); ii++){
| ~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
188 ms |
274480 KB |
Output is correct |
2 |
Correct |
210 ms |
277084 KB |
Output is correct |
3 |
Correct |
175 ms |
274636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
274544 KB |
Output is correct |
2 |
Correct |
527 ms |
275080 KB |
Output is correct |
3 |
Correct |
184 ms |
274528 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
191 ms |
274492 KB |
Output is correct |
2 |
Correct |
194 ms |
274256 KB |
Output is correct |
3 |
Correct |
191 ms |
274524 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
457 ms |
289176 KB |
Output is correct |
2 |
Correct |
951 ms |
314840 KB |
Output is correct |
3 |
Correct |
490 ms |
293332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
245 ms |
276684 KB |
Output is correct |
2 |
Correct |
696 ms |
296900 KB |
Output is correct |
3 |
Correct |
577 ms |
288492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
781 ms |
300528 KB |
Output is correct |
2 |
Correct |
1016 ms |
328272 KB |
Output is correct |
3 |
Correct |
483 ms |
292220 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
358 ms |
279516 KB |
Output is correct |
2 |
Correct |
1170 ms |
324840 KB |
Output is correct |
3 |
Correct |
455 ms |
290652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
351 ms |
292492 KB |
Output is correct |
2 |
Correct |
1822 ms |
492788 KB |
Output is correct |
3 |
Correct |
387 ms |
294864 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
376 ms |
292136 KB |
Output is correct |
2 |
Correct |
3481 ms |
585072 KB |
Output is correct |
3 |
Correct |
466 ms |
298680 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
203 ms |
277704 KB |
Output is correct |
2 |
Correct |
4061 ms |
581696 KB |
Output is correct |
3 |
Correct |
483 ms |
293344 KB |
Output is correct |