답안 #488364

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
488364	2021-11-18T18:04:00 Z	ali22413836	Knapsack (NOI18_knapsack)	C++14	49 / 100	1000 ms	1920 KB

knapsack

#include <bits/stdc++.h>
#define  endl "\n"
using namespace std ;
typedef long long ll;
typedef long double ld ;
const int N=2e7;
const ll inf=1e18 ;
const ll mod = 1e9 + 7 ;
ll mypower(ll x, ll y){
    if(y == 0) return 1 ;
    if(y == 1) return x ;
    ll ret = mypower(x , y / 2);
    ret = (ret * ret) % mod;
    if(y % 2) ret = ( ret * x ) % mod ;
    return ret ;
}
ll to , n , dp[2001][101] ;
ll wa[200009] , v[200009] , k[200009] ;
ll sol(ll ind , ll rem){
    if(rem < 0){
        return -1e18 ;
    }
    if(ind > n){
        return 0 ;
    }
    ll &ret = dp[rem][ind] ;
    if(ret != -1){
        return ret ;
    }
    for(int i = 0 ; i <= k[ind] ; i++ ){
        ret = max(ret , sol(ind +1 , rem - (i * wa[ind])) + (i * v[ind])) ;
    }
    return ret ;
}
int main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> to >> n ;
    for(int i = 1 ; i <= n  ; i++){
        cin >> v[i] >> wa[i] >> k[i] ;
    }
    memset(dp , -1 , sizeof dp) ;
    ll ans = sol(1 , to) ;
    cout << ans << endl ;
    return 0 ;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1868 KB	Output is correct
2	Correct	154 ms	1888 KB	Output is correct
3	Correct	1 ms	1868 KB	Output is correct
4	Correct	803 ms	1908 KB	Output is correct

Subtask #2

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1868 KB	Output is correct
2	Correct	1 ms	1868 KB	Output is correct
3	Correct	1 ms	1868 KB	Output is correct
4	Correct	1 ms	1868 KB	Output is correct
5	Correct	1 ms	1868 KB	Output is correct
6	Correct	3 ms	1868 KB	Output is correct
7	Correct	4 ms	1868 KB	Output is correct
8	Correct	2 ms	1868 KB	Output is correct
9	Correct	3 ms	1880 KB	Output is correct
10	Correct	3 ms	1916 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1868 KB	Output is correct
2	Correct	1 ms	1868 KB	Output is correct
3	Correct	1 ms	1868 KB	Output is correct
4	Correct	1 ms	1868 KB	Output is correct
5	Correct	1 ms	1868 KB	Output is correct
6	Correct	3 ms	1868 KB	Output is correct
7	Correct	4 ms	1868 KB	Output is correct
8	Correct	2 ms	1868 KB	Output is correct
9	Correct	3 ms	1880 KB	Output is correct
10	Correct	3 ms	1916 KB	Output is correct
11	Correct	1 ms	1868 KB	Output is correct
12	Correct	5 ms	1868 KB	Output is correct
13	Correct	1 ms	1868 KB	Output is correct
14	Correct	1 ms	1868 KB	Output is correct
15	Correct	1 ms	1868 KB	Output is correct
16	Correct	5 ms	1856 KB	Output is correct
17	Correct	3 ms	1868 KB	Output is correct
18	Correct	3 ms	1868 KB	Output is correct
19	Correct	5 ms	1920 KB	Output is correct
20	Correct	3 ms	1868 KB	Output is correct

Subtask #4

0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1868 KB	Output is correct
2	Correct	154 ms	1888 KB	Output is correct
3	Correct	1 ms	1868 KB	Output is correct
4	Correct	803 ms	1908 KB	Output is correct
5	Correct	1 ms	1868 KB	Output is correct
6	Correct	1 ms	1868 KB	Output is correct
7	Correct	1 ms	1868 KB	Output is correct
8	Correct	1 ms	1868 KB	Output is correct
9	Correct	1 ms	1868 KB	Output is correct
10	Correct	3 ms	1868 KB	Output is correct
11	Correct	4 ms	1868 KB	Output is correct
12	Correct	2 ms	1868 KB	Output is correct
13	Correct	3 ms	1880 KB	Output is correct
14	Correct	3 ms	1916 KB	Output is correct
15	Correct	1 ms	1868 KB	Output is correct
16	Correct	5 ms	1868 KB	Output is correct
17	Correct	1 ms	1868 KB	Output is correct
18	Correct	1 ms	1868 KB	Output is correct
19	Correct	1 ms	1868 KB	Output is correct
20	Correct	5 ms	1856 KB	Output is correct
21	Correct	3 ms	1868 KB	Output is correct
22	Correct	3 ms	1868 KB	Output is correct
23	Correct	5 ms	1920 KB	Output is correct
24	Correct	3 ms	1868 KB	Output is correct
25	Correct	1 ms	1868 KB	Output is correct
26	Correct	899 ms	1904 KB	Output is correct
27	Correct	2 ms	1868 KB	Output is correct
28	Correct	2 ms	1868 KB	Output is correct
29	Execution timed out	1088 ms	1868 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	1868 KB	Output is correct
2	Correct	154 ms	1888 KB	Output is correct
3	Correct	1 ms	1868 KB	Output is correct
4	Correct	803 ms	1908 KB	Output is correct
5	Correct	1 ms	1868 KB	Output is correct
6	Correct	1 ms	1868 KB	Output is correct
7	Correct	1 ms	1868 KB	Output is correct
8	Correct	1 ms	1868 KB	Output is correct
9	Correct	1 ms	1868 KB	Output is correct
10	Correct	3 ms	1868 KB	Output is correct
11	Correct	4 ms	1868 KB	Output is correct
12	Correct	2 ms	1868 KB	Output is correct
13	Correct	3 ms	1880 KB	Output is correct
14	Correct	3 ms	1916 KB	Output is correct
15	Correct	1 ms	1868 KB	Output is correct
16	Correct	5 ms	1868 KB	Output is correct
17	Correct	1 ms	1868 KB	Output is correct
18	Correct	1 ms	1868 KB	Output is correct
19	Correct	1 ms	1868 KB	Output is correct
20	Correct	5 ms	1856 KB	Output is correct
21	Correct	3 ms	1868 KB	Output is correct
22	Correct	3 ms	1868 KB	Output is correct
23	Correct	5 ms	1920 KB	Output is correct
24	Correct	3 ms	1868 KB	Output is correct
25	Correct	1 ms	1868 KB	Output is correct
26	Correct	899 ms	1904 KB	Output is correct
27	Correct	2 ms	1868 KB	Output is correct
28	Correct	2 ms	1868 KB	Output is correct
29	Execution timed out	1088 ms	1868 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-