#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x) cerr<< #x <<" = "<< x<<endl;
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N=3004;
int dp[N][N],arr[MAXN];
ll par[MAXN];
bool vis[MAXN],ovis[MAXN];
int main(){
//freopen("file.in", "r", stdin);
int n,ok;
scanf("%d",&n);
for(int i=1;i<=n;i++){
scanf("%d",arr+i);
par[i]=par[i-1]+arr[i];
}
for(int i=1;i<=n;i++)
vis[i]=1;
for(int j=2;j<=n;j++){
for(int i=j-1;i<=n;i++)
for(int k=i+1;k<=n;k++)
if(vis[i] and par[k]-par[i]>=par[i]-par[dp[i][j-1]])
dp[k][j]=i,ovis[k]=1;
ok=0;
for(int i=j;i<=n;i++)
vis[i]=ovis[i],ok|=vis[i],ovis[i]=0;
if(!ok){
printf("%d\n",j-1);
return 0;
}
}printf("%d\n",n);
return 0;
}
Compilation message
segments.cpp: In function 'int main()':
segments.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
27 | scanf("%d",&n);
| ~~~~~^~~~~~~~~
segments.cpp:29:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
29 | scanf("%d",arr+i);
| ~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2156 KB |
Output is correct |
| 18 |
Correct |
16 ms |
2432 KB |
Output is correct |
| 19 |
Correct |
37 ms |
2796 KB |
Output is correct |
| 20 |
Correct |
42 ms |
2796 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2412 KB |
Output is correct |
| 22 |
Correct |
6 ms |
2028 KB |
Output is correct |
| 23 |
Correct |
3 ms |
1516 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
2412 KB |
Output is correct |
| 26 |
Correct |
45 ms |
2924 KB |
Output is correct |
| 27 |
Correct |
26 ms |
2540 KB |
Output is correct |
| 28 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 29 |
Correct |
47 ms |
2924 KB |
Output is correct |
| 30 |
Correct |
43 ms |
2796 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2156 KB |
Output is correct |
| 18 |
Correct |
16 ms |
2432 KB |
Output is correct |
| 19 |
Correct |
37 ms |
2796 KB |
Output is correct |
| 20 |
Correct |
42 ms |
2796 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2412 KB |
Output is correct |
| 22 |
Correct |
6 ms |
2028 KB |
Output is correct |
| 23 |
Correct |
3 ms |
1516 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
2412 KB |
Output is correct |
| 26 |
Correct |
45 ms |
2924 KB |
Output is correct |
| 27 |
Correct |
26 ms |
2540 KB |
Output is correct |
| 28 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 29 |
Correct |
47 ms |
2924 KB |
Output is correct |
| 30 |
Correct |
43 ms |
2796 KB |
Output is correct |
| 31 |
Correct |
11 ms |
492 KB |
Output is correct |
| 32 |
Correct |
107 ms |
11372 KB |
Output is correct |
| 33 |
Execution timed out |
1567 ms |
12900 KB |
Time limit exceeded |
| 34 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2156 KB |
Output is correct |
| 18 |
Correct |
16 ms |
2432 KB |
Output is correct |
| 19 |
Correct |
37 ms |
2796 KB |
Output is correct |
| 20 |
Correct |
42 ms |
2796 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2412 KB |
Output is correct |
| 22 |
Correct |
6 ms |
2028 KB |
Output is correct |
| 23 |
Correct |
3 ms |
1516 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
2412 KB |
Output is correct |
| 26 |
Correct |
45 ms |
2924 KB |
Output is correct |
| 27 |
Correct |
26 ms |
2540 KB |
Output is correct |
| 28 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 29 |
Correct |
47 ms |
2924 KB |
Output is correct |
| 30 |
Correct |
43 ms |
2796 KB |
Output is correct |
| 31 |
Correct |
11 ms |
492 KB |
Output is correct |
| 32 |
Correct |
107 ms |
11372 KB |
Output is correct |
| 33 |
Execution timed out |
1567 ms |
12900 KB |
Time limit exceeded |
| 34 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2156 KB |
Output is correct |
| 18 |
Correct |
16 ms |
2432 KB |
Output is correct |
| 19 |
Correct |
37 ms |
2796 KB |
Output is correct |
| 20 |
Correct |
42 ms |
2796 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2412 KB |
Output is correct |
| 22 |
Correct |
6 ms |
2028 KB |
Output is correct |
| 23 |
Correct |
3 ms |
1516 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
2412 KB |
Output is correct |
| 26 |
Correct |
45 ms |
2924 KB |
Output is correct |
| 27 |
Correct |
26 ms |
2540 KB |
Output is correct |
| 28 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 29 |
Correct |
47 ms |
2924 KB |
Output is correct |
| 30 |
Correct |
43 ms |
2796 KB |
Output is correct |
| 31 |
Correct |
11 ms |
492 KB |
Output is correct |
| 32 |
Correct |
107 ms |
11372 KB |
Output is correct |
| 33 |
Execution timed out |
1567 ms |
12900 KB |
Time limit exceeded |
| 34 |
Halted |
0 ms |
0 KB |
- |
