답안 #257535

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
257535	2020-08-04T11:37:37 Z	BThero	Bigger segments (IZhO19_segments)	C++17	27 / 100	1500 ms	70912 KB

segments

// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int MAXN = (int)3e3 + 5;
const ll INF = (ll)1e16;

ll dp[MAXN][MAXN];
int arr[MAXN];
int n;

void solve() {
  scanf("%d", &n);
  
  for (int i = 1; i <= n; ++i) {
    scanf("%d", &arr[i]);
  }
  
  for (int i = 0; i <= n; ++i) {
    for (int j = 0; j <= n; ++j) {
      dp[i][j] = INF;
    }
  }
  
  dp[0][0] = 0;
  
  for (int i = 1; i <= n; ++i) {
    ll cur = 0;
    
    for (int j = i; j; --j) {
      cur += arr[j];
      
      for (int k = 1; k <= n; ++k) {
        if (dp[j - 1][k - 1] <= cur) {
          dp[i][k] = min(dp[i][k], cur);
        }
      }
    }
  }
  
  int ans = n;
  
  while (dp[n][ans] == INF) {
    --ans;
  }
  
  printf("%d\n", ans);
}

int main() {
  int tt = 1;
  
  while (tt--) {
    solve();
  }

  return 0;
}

Compilation message

segments.cpp: In function 'void solve()':
segments.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
segments.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &arr[i]);
     ~~~~~^~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	57 ms	4356 KB	Output is correct
17	Correct	54 ms	4352 KB	Output is correct
18	Correct	57 ms	4352 KB	Output is correct
19	Correct	62 ms	4352 KB	Output is correct
20	Correct	61 ms	4352 KB	Output is correct
21	Correct	56 ms	4352 KB	Output is correct
22	Correct	31 ms	3264 KB	Output is correct
23	Correct	14 ms	2304 KB	Output is correct
24	Correct	73 ms	4352 KB	Output is correct
25	Correct	56 ms	4352 KB	Output is correct
26	Correct	61 ms	4352 KB	Output is correct
27	Correct	57 ms	4352 KB	Output is correct
28	Correct	56 ms	4352 KB	Output is correct
29	Correct	62 ms	4472 KB	Output is correct
30	Correct	61 ms	4352 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	57 ms	4356 KB	Output is correct
17	Correct	54 ms	4352 KB	Output is correct
18	Correct	57 ms	4352 KB	Output is correct
19	Correct	62 ms	4352 KB	Output is correct
20	Correct	61 ms	4352 KB	Output is correct
21	Correct	56 ms	4352 KB	Output is correct
22	Correct	31 ms	3264 KB	Output is correct
23	Correct	14 ms	2304 KB	Output is correct
24	Correct	73 ms	4352 KB	Output is correct
25	Correct	56 ms	4352 KB	Output is correct
26	Correct	61 ms	4352 KB	Output is correct
27	Correct	57 ms	4352 KB	Output is correct
28	Correct	56 ms	4352 KB	Output is correct
29	Correct	62 ms	4472 KB	Output is correct
30	Correct	61 ms	4352 KB	Output is correct
31	Execution timed out	1592 ms	70912 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

Subtask #4
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	57 ms	4356 KB	Output is correct
17	Correct	54 ms	4352 KB	Output is correct
18	Correct	57 ms	4352 KB	Output is correct
19	Correct	62 ms	4352 KB	Output is correct
20	Correct	61 ms	4352 KB	Output is correct
21	Correct	56 ms	4352 KB	Output is correct
22	Correct	31 ms	3264 KB	Output is correct
23	Correct	14 ms	2304 KB	Output is correct
24	Correct	73 ms	4352 KB	Output is correct
25	Correct	56 ms	4352 KB	Output is correct
26	Correct	61 ms	4352 KB	Output is correct
27	Correct	57 ms	4352 KB	Output is correct
28	Correct	56 ms	4352 KB	Output is correct
29	Correct	62 ms	4472 KB	Output is correct
30	Correct	61 ms	4352 KB	Output is correct
31	Execution timed out	1592 ms	70912 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	57 ms	4356 KB	Output is correct
17	Correct	54 ms	4352 KB	Output is correct
18	Correct	57 ms	4352 KB	Output is correct
19	Correct	62 ms	4352 KB	Output is correct
20	Correct	61 ms	4352 KB	Output is correct
21	Correct	56 ms	4352 KB	Output is correct
22	Correct	31 ms	3264 KB	Output is correct
23	Correct	14 ms	2304 KB	Output is correct
24	Correct	73 ms	4352 KB	Output is correct
25	Correct	56 ms	4352 KB	Output is correct
26	Correct	61 ms	4352 KB	Output is correct
27	Correct	57 ms	4352 KB	Output is correct
28	Correct	56 ms	4352 KB	Output is correct
29	Correct	62 ms	4472 KB	Output is correct
30	Correct	61 ms	4352 KB	Output is correct
31	Execution timed out	1592 ms	70912 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

답안 #257535

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 0 / 10.0

Subtask #4 0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0