Submission #1476364
Source Code Expand
#include "bits/stdc++.h" using namespace std; #ifdef _DEBUG #include "dump.hpp" #else #define dump(...) #endif #define int long long #define rep(i,a,b) for(int i=(a);i<(b);i++) #define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--) #define all(c) begin(c),end(c) const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f; const int MOD = (int)(1e9) + 7; template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } vector<int> cumsum(const vector<int> &v) { int n = v.size(); vector<int> sum(n + 1); for (int i = 0; i < n; i++) sum[i + 1] = sum[i] + v[i]; return sum; } signed main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; int K; cin >> K; vector<int> a(N); rep(i, 0, N) { cin >> a[i]; } vector<int> sum = cumsum(a); vector<int> b(N); rep(i, 0, N)chmax(b[i], a[i]); vector<int> sumb = cumsum(b); int ans = 0; dump(sum); dump(sumb); rep(i, 0, N - K + 1) { chmax(ans, sum[i + K] - sum[i] + sumb[i] + sumb[N] - sumb[i + K]); chmax(ans, sumb[i] + sumb[N] - sumb[i + K]); } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Contiguous Repainting |
User | minaminao |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1259 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 3456 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 9 ms | 3456 KB |
1_04.txt | AC | 13 ms | 3456 KB |
1_05.txt | AC | 14 ms | 3456 KB |
1_06.txt | AC | 13 ms | 3456 KB |
1_07.txt | AC | 14 ms | 3328 KB |
1_08.txt | AC | 13 ms | 3328 KB |
1_09.txt | AC | 13 ms | 3328 KB |
1_10.txt | AC | 13 ms | 3328 KB |
1_11.txt | AC | 14 ms | 3328 KB |
1_12.txt | AC | 13 ms | 3328 KB |
1_13.txt | AC | 13 ms | 3328 KB |
1_14.txt | AC | 13 ms | 3328 KB |
1_15.txt | AC | 13 ms | 3328 KB |
1_16.txt | AC | 13 ms | 3328 KB |
1_17.txt | AC | 13 ms | 3456 KB |
1_18.txt | AC | 13 ms | 3328 KB |
1_19.txt | AC | 12 ms | 3328 KB |
1_20.txt | AC | 13 ms | 3328 KB |
1_21.txt | AC | 13 ms | 3456 KB |