# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
467438 |
2021-08-22T23:24:45 Z |
julian33 |
Cigle (COI21_cigle) |
C++14 |
|
5 ms |
7832 KB |
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
cerr<<vars<<" = ";
string delim="";
(...,(cerr<<delim<<values,delim=", "));
cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif
#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int mxN=5e3+5; //make sure this is right
const int mod=1e9+7;
int dp[mxN][mxN],a[mxN],cnt[mxN][mxN],ptr[mxN][mxN];
int main(){
cin.sync_with_stdio(0);
cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
#endif
int n; cin>>n;
for(int i=1;i<=n;i++)
cin>>a[i];
for(int i=1;i<=n;i++){
int p=i-1;
int s1=0; int s2=0;
for(int j=i;j<=n;j++){
dp[i][j]=dp[i-1][i-1];
cnt[i][j]=cnt[i][j-1];
s1+=a[j];
while(p && s2+a[p]<=s1)
s2+=a[p--];
if(s1==s2)
cnt[i][j]++;
ptr[i][j]=p;
maxa(dp[i][j],cnt[i][j-1]+dp[ptr[i][j-1]][i-1]);
maxa(dp[i][j],dp[i-1][j]);
}
}
cout<<dp[n][n]<<"\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7832 KB |
Output is correct |
2 |
Incorrect |
5 ms |
7756 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
460 KB |
Output is correct |
2 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |