# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
126464 | 2019-07-07T19:39:52 Z | letrongdat | Sirni (COCI17_sirni) | C++17 | 5000 ms | 574064 KB |
#include <bits/stdc++.h> using namespace std; #define forn(i, a, b) for(int i=a; i<=b; ++i) #define ford(i, a ,b) for(int i=a; i>=b; --i) #define repn(i, a, b) for(int i=a; i <b; ++i) typedef pair<int, int> ii; const int maxM = 1e7+ 10; const int maxN = 1e5 +10; int N; int Near[maxM]; int lab[maxN]; vector<int> P; vector<ii> Edge[maxM]; int root(int u) { if (lab[u] < 0) return u; return lab[u] = root(lab[u]); } bool join(int u, int v) { int l1 = root(u), l2 = root(v); if (l1 == l2) return false; if (lab[l1] > lab[l2]) swap(l1, l2); lab[l1] += lab[l2]; lab[l2] = l1; return true; } int main() { // #ifndef ONLINE_JUDGE // freopen("a.inp", "r", stdin); // #endif // ONLINE_JUDGE ios::sync_with_stdio(0); memset(lab, -1, sizeof lab); cin >> N; P.resize(N); repn(i, 0, N) cin >> P[i]; sort(P.begin(), P.end()); P.resize(unique(P.begin(), P.end()) - P.begin()); memset(Near, 0x3f, sizeof Near); repn(i, 0, P.size()) Near[P[i]] = i; ford(i, P.back(), 0) Near[i] = min(Near[i], Near[i+1]); repn(i, 0, P.size() -1) { int weight = P[Near[P[i]+1]] - P[i]; if (weight < P[i]) Edge[weight].push_back({i, Near[P[i]+1]}); for(int j = 2*P[i]; j <= P.back(); j += P[i]) { int weight = P[Near[j]] - j; if (weight < P[i]) Edge[weight].push_back({i, Near[j]}); } } long long result = 0, cnt = 0; repn(i, 0, maxM) { for(auto &e: Edge[i]) if (join(e.first, e.second)) { result += i; cnt ++; if (cnt == P.size() -1) break; } } cout << result; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 306 ms | 274920 KB | Output is correct |
2 | Correct | 360 ms | 277112 KB | Output is correct |
3 | Correct | 309 ms | 275064 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 274 ms | 274780 KB | Output is correct |
2 | Correct | 682 ms | 275700 KB | Output is correct |
3 | Correct | 330 ms | 274936 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 316 ms | 274848 KB | Output is correct |
2 | Correct | 341 ms | 274800 KB | Output is correct |
3 | Correct | 314 ms | 275008 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 412 ms | 284612 KB | Output is correct |
2 | Correct | 590 ms | 311780 KB | Output is correct |
3 | Correct | 400 ms | 289924 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 290 ms | 276456 KB | Output is correct |
2 | Correct | 521 ms | 297056 KB | Output is correct |
3 | Correct | 364 ms | 284608 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 566 ms | 297012 KB | Output is correct |
2 | Correct | 715 ms | 326688 KB | Output is correct |
3 | Correct | 396 ms | 288256 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 324 ms | 278284 KB | Output is correct |
2 | Correct | 634 ms | 320896 KB | Output is correct |
3 | Correct | 434 ms | 288140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 552 ms | 287284 KB | Output is correct |
2 | Correct | 3589 ms | 482636 KB | Output is correct |
3 | Correct | 546 ms | 289784 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 491 ms | 287052 KB | Output is correct |
2 | Execution timed out | 5047 ms | 574064 KB | Time limit exceeded |
3 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 345 ms | 277112 KB | Output is correct |
2 | Execution timed out | 5138 ms | 560400 KB | Time limit exceeded |
3 | Halted | 0 ms | 0 KB | - |