Submission #3769421
Source Code Expand
#include<bits/stdc++.h> #define ll long long #define MOD 1000000007 #define MAX 1000000007 #define pb push_back #define mp make_pair #define ff first #define ss second #define zoom ios_base::sync_with_stdio(false);cin.tie(NULL); using namespace std; bool cmp(pair<ll, ll> a, pair<ll, ll> b) { return (b.ff + b.ss > a.ff + a.ss); } int main() { zoom; ll n, i, j; cin>>n; vector<pair<ll, ll> >A(n); for(i = 0; i < n; i += 1) cin>>A[i].ff>>A[i].ss; sort(A.begin(), A.end(), cmp); vector<vector<ll> > dp(n, vector<ll>()); dp[0].pb(0); dp[0].pb(A[0].ss); for(i = 1; i < n; i += 1) { dp[i].pb(0); for(j = 1; j <= i; j += 1) { ll temp1 = dp[i - 1][j]; ll temp2 = -1; if(dp[i - 1][j - 1] != -1 && dp[i - 1][j - 1] <= A[i].ff) temp2 = dp[i - 1][j - 1] + A[i].ss; if((temp1 == -1 && temp2 == - 1)) dp[i].pb(-1); else if(temp1 == -1) dp[i].pb(temp2); else if(temp2 == -1) dp[i].pb(temp1); else dp[i].pb(min(temp1, temp2)); } if(dp[i - 1][j - 1] != -1 && dp[i - 1][j - 1] <= A[i].ff) dp[i].pb(dp[i - 1][j - 1] + A[i].ss); else dp[i].pb(-1); } ll ans = -1; for(i = n - 1; i >= 0; i -= 1) { for(j = i; j >= 1; j -= 1) { if(dp[i][j] != -1) ans = max(ans, j); } } cout<<ans; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - AKIBA |
User | pchail |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1590 Byte |
Status | RE |
Exec Time | 104 ms |
Memory | 256 KB |
Judge Result
Set Name | sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
sample | sample-01.txt, sample-02.txt, sample-03.txt |
All | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | RE | 101 ms | 256 KB |
01-02.txt | RE | 101 ms | 256 KB |
01-03.txt | RE | 101 ms | 256 KB |
01-04.txt | RE | 101 ms | 256 KB |
01-05.txt | RE | 102 ms | 256 KB |
01-06.txt | RE | 103 ms | 256 KB |
01-07.txt | RE | 101 ms | 256 KB |
01-08.txt | RE | 101 ms | 256 KB |
01-09.txt | RE | 101 ms | 256 KB |
01-10.txt | RE | 101 ms | 256 KB |
01-11.txt | RE | 103 ms | 256 KB |
01-12.txt | RE | 101 ms | 256 KB |
01-13.txt | RE | 100 ms | 256 KB |
01-14.txt | RE | 100 ms | 256 KB |
01-15.txt | RE | 101 ms | 256 KB |
01-16.txt | RE | 102 ms | 256 KB |
01-17.txt | RE | 101 ms | 256 KB |
01-18.txt | RE | 101 ms | 256 KB |
sample-01.txt | RE | 104 ms | 256 KB |
sample-02.txt | RE | 101 ms | 256 KB |
sample-03.txt | RE | 100 ms | 256 KB |