#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
const int mod = 1e9+7, N = 5005;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val);}
int a[N], n, m, k;
vector<pii> dp[N];
int pr[N];
void solve(int test_case){
int i, j;
cin >> n;
for(i=1;i<=n;i++){
cin >> a[i];
pr[i]=a[i];pr[i]+=pr[i-1];
}
for(i=1;i<=n;i++){
dp[i].pb({pr[i], 1});
}
for(i=1;i<=n;i++){
for(j=1;j<i;j++){
int s = pr[i]-pr[j];
int pos = lower_bound(all(dp[j]), pii{s,-1})-dp[j].begin();//pos--;
int mx=0;
if(pos<0)continue;
bool f = false;
//if(i == 5)cout << s << '\n';
for(k=0;k<=dp[j].size();k++){
if(dp[j][k].ff > s)continue;
mx = max(mx, dp[j][k].ss);f=true;
//if(i==5)cout << dp[j][k].ff << ' ' << dp[j][k].ss << '\n';
}
if(f)dp[i].pb({s, mx+1});`
}sort(all(dp[i]));
}
/*for(i=1;i<=n;i++){
cout << "doing " << i<< '\n';
for(auto [x, y] : dp[i]){
cout << x << ' ' << y << '\n';
}
}
*/
cout << dp[n][0].ss << '\n';
return;
}
signed main(){
FASTIO;
#define MULTITEST 0
#if MULTITEST
int ___T;
cin >> ___T;
for(int T_CASE = 1; T_CASE <= ___T; T_CASE++)
solve(T_CASE);
#else
solve(1);
#endif
return 0;
}
Compilation message
segments.cpp:40:29: error: stray '`' in program
40 | if(f)dp[i].pb({s, mx+1});`
| ^
segments.cpp: In function 'void solve(long long int)':
segments.cpp:35:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | for(k=0;k<=dp[j].size();k++){
| ~^~~~~~~~~~~~~~
