Submission #1041974
Source Code Expand
#include <algorithm>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iomanip>
#include <iostream>
#include <limits>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <vector>
#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define all(v) begin(v), end(v)
#define debug(x) cerr<< #x <<": "<<x<<endl
#define debug2(x,y) cerr<< #x <<": "<< x <<", "<< #y <<": "<< y <<endl
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
typedef vector<ll> vll;
typedef vector<vector<ll> > vvll;
template<class T> using vv=vector<vector< T > >;
int main() {
int n, k;
scanf("%d %d", &n, &k);
vll orig(n, 0);
vll altered(n, 0);
ll sum_all = 0;
rep (i, n) {
scanf("%lld", &orig[i]);
if (orig[i] > 0) {
altered[i] = orig[i];
sum_all += orig[i];
}
}
vll sumk_orig(n-k+1, 0);
vll sumk_altered(n-k+1, 0);
rep (i, k) {
sumk_orig[0] += orig[i];
sumk_altered[0] += altered[i];
}
FOR (i, 1, n-k+1) {
sumk_orig[i] = sumk_orig[i-1] - orig[i-1] + orig[i-1+k];
sumk_altered[i] = sumk_altered[i-1] - altered[i-1] + altered[i-1+k];
}
ll ans = 0;
rep (i, n-k+1) {
ans = max(ans, sum_all - sumk_altered[i] + max(0LL, sumk_orig[i]));
}
printf("%lld\n", ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
B - Contiguous Repainting |
User |
tspcx |
Language |
C++14 (Clang 3.8.0) |
Score |
400 |
Code Size |
1618 Byte |
Status |
AC |
Exec Time |
20 ms |
Memory |
3328 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
400 / 400 |
Status |
|
|
Set Name |
Test Cases |
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 |
6 ms |
888 KB |
0_01.txt |
AC |
3 ms |
256 KB |
0_02.txt |
AC |
3 ms |
256 KB |
0_03.txt |
AC |
3 ms |
256 KB |
1_00.txt |
AC |
3 ms |
256 KB |
1_01.txt |
AC |
3 ms |
256 KB |
1_02.txt |
AC |
3 ms |
256 KB |
1_03.txt |
AC |
14 ms |
3328 KB |
1_04.txt |
AC |
20 ms |
3328 KB |
1_05.txt |
AC |
20 ms |
3328 KB |
1_06.txt |
AC |
19 ms |
3328 KB |
1_07.txt |
AC |
19 ms |
3328 KB |
1_08.txt |
AC |
17 ms |
1792 KB |
1_09.txt |
AC |
17 ms |
1792 KB |
1_10.txt |
AC |
17 ms |
1792 KB |
1_11.txt |
AC |
18 ms |
2304 KB |
1_12.txt |
AC |
17 ms |
2304 KB |
1_13.txt |
AC |
18 ms |
2304 KB |
1_14.txt |
AC |
17 ms |
1792 KB |
1_15.txt |
AC |
18 ms |
2560 KB |
1_16.txt |
AC |
19 ms |
2816 KB |
1_17.txt |
AC |
18 ms |
2944 KB |
1_18.txt |
AC |
18 ms |
2304 KB |
1_19.txt |
AC |
17 ms |
2176 KB |
1_20.txt |
AC |
18 ms |
2176 KB |
1_21.txt |
AC |
18 ms |
2176 KB |