제출 #321017

#제출 시각아이디문제언어결과실행 시간메모리
321017VROOM_VARUN전선 연결 (IOI17_wiring)C++14
0 / 100
66 ms18252 KiB
/* ID: varunra2 LANG: C++ TASK: wiring */ #include <bits/stdc++.h> using namespace std; #ifdef DEBUG #include "lib/debug.h" #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define debug_arr(...) \ cerr << "[" << #__VA_ARGS__ << "]:", debug_arr(__VA_ARGS__) #pragma GCC diagnostic ignored "-Wsign-compare" //#pragma GCC diagnostic ignored "-Wunused-parameter" //#pragma GCC diagnostic ignored "-Wunused-variable" #else #define debug(...) 42 #endif #define int long long #define EPS 1e-9 #define IN(A, B, C) assert(B <= A && A <= C) #define INF (int)1e15 #define MEM(a, b) memset(a, (b), sizeof(a)) #define MOD 1000000007 #define MP make_pair #define PB push_back #define all(cont) cont.begin(), cont.end() #define rall(cont) cont.end(), cont.begin() #define x first #define y second const double PI = acos(-1.0); typedef long long ll; typedef long double ld; typedef pair<int, int> PII; typedef map<int, int> MPII; typedef multiset<int> MSETI; typedef set<int> SETI; typedef set<string> SETS; typedef vector<int> VI; typedef vector<PII> VII; typedef vector<VI> VVI; typedef vector<string> VS; #define rep(i, a, b) for (int i = a; i < (b); ++i) #define trav(a, x) for (auto& a : x) #define sz(x) (int)(x).size() typedef pair<int, int> pii; typedef vector<int> vi; #pragma GCC diagnostic ignored "-Wsign-compare" // util functions ll min_total_length(vector<int32_t> r, vector<int32_t> b) { VII vals; trav(x, r) vals.PB(MP(x, 0)); trav(x, b) vals.PB(MP(x, 1)); sort(all(vals)); vals.insert(vals.begin(), MP(-INF, vals[0].y ^ 1)); VI pref(sz(vals), 0); int n = sz(pref); for (int i = 1; i < n; i++) { pref[i] = vals[i].x; } partial_sum(all(pref), pref.begin()); VI dp(n, INF); dp[0] = 0; int lft = 1, rt = 1; for (int i = 1; i < n; i++) { while (rt < n and vals[rt + 1].y == vals[i].y) rt++; for (int j = lft; j < i; j++) { dp[j] = min(dp[j], dp[j - 1] + vals[i].x - vals[j].x); } int val = dp[i - 1]; int preff = 0; for (int j = i; j <= rt; j++) { int cnt = j - i + 1; preff += vals[j].x - vals[i - 1].x; if (cnt <= i - lft) val = min(val, dp[max(0ll, i - cnt - 1)] + cnt * vals[i - 1].x - pref[i - 1] + pref[max(0ll, i - cnt - 1)]); dp[j] = preff + val; } lft = i; i = rt; } return dp.back(); } // int32_t main() { // #ifndef ONLINE_JUDGE // freopen("wiring.in", "r", stdin); // freopen("wiring.out", "w", stdout); // #endif // cin.sync_with_stdio(0); // cin.tie(0); // int n, m; // cin >> n >> m; // vector<int32_t> r(n), b(m); // trav(x, r) cin >> x; // trav(x, b) cin >> x; // cout << min_total_length(r, b) << '\n'; // return 0; // }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...