oj.uz

Submission #375834

# Submission time Handle Problem Language Result Execution time Memory
375834 2021-03-10T03:56:47 Z fhvirus Two Dishes (JOI19_dishes) C++17
5 / 100
 220 ms 10220 KB 
// Knapsack DP is harder than FFT.
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii; typedef pair<ll, ll> pll;
#define ff first
#define ss second
#define pb emplace_back
#define FOR(i,n) for(int i = 0; i < (n); ++i)
#define FOO(i,a,b) for(int i = (a); i <= (b); ++i)
#define AI(x) begin(x),end(x)
template<typename I> bool chmax(I &a, I b){ return a < b ? ( a = b, true ) : false;}
template<typename I> bool chmin(I &a, I b){ return a > b ? ( a = b, true ) : false;}
#ifdef OWO
#define debug(args...) LKJ("[ " + string(#args) + " ]", args)
void LKJ(){cerr<<endl;}
template<class I, class...T> void LKJ(I&&x, T&&...t){ cerr<<x<<", ", LKJ(t...);}
template<class I> void DE(I a, I b){ while(a < b) cerr<<*a<<" \n"[next(a) == b], ++a;}
#else
#define debug(...) 0
#define DE(...) 0
#endif

const int N = 1e6 + 225;
int n, m;
ll a[N], b[N], s[N], t[N], p[N], q[N];

ll dp[N];

int bs(ll lft){
	int ans = 0;
	for(int l = 1<<30; l > 0; l >>= 1){
		if(ans + l > m) continue;
		if(b[ans + l] <= lft) ans += l;
	}
	return ans;
}

void solve1(){
	FOO(i,1,n) a[i] += a[i-1];
	FOO(i,1,n) p[i] += p[i-1];
	FOO(i,1,m) b[i] += b[i-1];
	FOO(i,1,m) q[i] += q[i-1];
	ll ans = q[bs(s[1])];
	FOO(i,1,n){
		if(a[i] > s[1]) break;
		ll left = s[1] - a[i];
		chmax(ans, p[i] + q[bs(left)]);
	}
	cout << ans;
}

int32_t main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n >> m;
	FOO(i,1,n) cin >> a[i] >> s[i] >> p[i];
	FOO(i,1,m) cin >> b[i] >> t[i] >> q[i];
	solve1();
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 9836 KB Output is correct
2 Correct 188 ms 9708 KB Output is correct
3 Correct 206 ms 10092 KB Output is correct
4 Correct 198 ms 10092 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 220 ms 9708 KB Output is correct
7 Correct 84 ms 5356 KB Output is correct
8 Correct 93 ms 5356 KB Output is correct
9 Correct 187 ms 10112 KB Output is correct
10 Correct 145 ms 10220 KB Output is correct
11 Correct 140 ms 10220 KB Output is correct

Subtask #2
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 9836 KB Output is correct
2 Correct 188 ms 9708 KB Output is correct
3 Correct 206 ms 10092 KB Output is correct
4 Correct 198 ms 10092 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 220 ms 9708 KB Output is correct
7 Correct 84 ms 5356 KB Output is correct
8 Correct 93 ms 5356 KB Output is correct
9 Correct 187 ms 10112 KB Output is correct
10 Correct 145 ms 10220 KB Output is correct
11 Correct 140 ms 10220 KB Output is correct
12 Incorrect 1 ms 364 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 9836 KB Output is correct
2 Correct 188 ms 9708 KB Output is correct
3 Correct 206 ms 10092 KB Output is correct
4 Correct 198 ms 10092 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 220 ms 9708 KB Output is correct
7 Correct 84 ms 5356 KB Output is correct
8 Correct 93 ms 5356 KB Output is correct
9 Correct 187 ms 10112 KB Output is correct
10 Correct 145 ms 10220 KB Output is correct
11 Correct 140 ms 10220 KB Output is correct
12 Incorrect 1 ms 364 KB Output isn't correct
13 Halted 0 ms 0 KB -