#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
using i64 = long long;
#define rep(i,l,r) for (int i = (l); i <= (r); i++)
struct DSU {
vector<int> e;
void initSz(int n) {
e = vector<int>(n, -1);
}
int fr(int x) { return e[x] < 0 ? x : e[x] = fr(e[x]); }
bool unite(int x, int y) {
x = fr(x), y = fr(y);
if (x==y) return false;
if (e[x] > e[y]) swap(x,y);
e[x] += e[y];
e[y] = x;
return true;
}
};
signed main() {
int N; cin >> N;
vector<int> A(N);
for (int& i : A) cin >> i;
sort(all(A));
A.erase(unique(all(A)), A.end());
N = A.size();
int Largest = A.back();
vector<int> lb(Largest+1);
for (int i = 0; i <= Largest; i++) {
lb[i] = lower_bound(all(A), i) - A.begin();
}
vector<array<int,3>> edges;
for (int i = 0; i < N; i++) {
for (int at = A[i]; at <= Largest; at += A[i]) {
int j = lb[at];
if (j == i) j++;
if (j < N) {
edges.push_back({A[j] % A[i], i, j});
}
}
}
sort(all(edges));
DSU dsu;
long long res = 0;
for (int i = 0; i < edges.size(); i++) {
int w = edges[i][0];
int u = edges[i][1];
int v = edges[i][2];
res += w * dsu.unite(u, v);
}
cout << res;
return 0;
}
Compilation message
sirni.cpp: In function 'int main()':
sirni.cpp:53:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for (int i = 0; i < edges.size(); i++) {
| ~~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
126 ms |
80172 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
856 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
114 ms |
80248 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
235 ms |
36344 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
46 ms |
14784 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
445 ms |
67492 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
71 ms |
11464 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
451 ms |
112768 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
495 ms |
126384 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
190 ms |
84552 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |