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Submission #705356

# Submission time Handle Problem Language Result Execution time Memory
705356 2023-03-04T06:16:02 Z vjudge1 Bank (IZhO14_bank) C++17
100 / 100
 366 ms 180984 KB 
// Problem: X - Bank

#include <bits/stdc++.h>
using namespace std ;

#define ff first
#define ss second
#define ll long long
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ones(x) __builtin_popcount(x)
#define remove(v)  v.erase(unique(all(v)), v.end())
#define rep(i, a, b) for(int i = a; i <= b; i++)
#define per(i, a, b) for(int i = a; i >= b; i--)

#ifdef local
#include "C:\debug.h"
#else
#define dbg(x...) 42
#endif

#define int ll

const int N = 1e5 + 2 ;
const int P = 29 ;
const int MOD = 1e9 + 7 ;

int n , m , a[21] , b[21] , pref[21] , dp[22][(1 << 20) + 1];

int go(int i , int mask , int cur) {
    if(cur == pref[i]) {
        dbg(mask , pref[i]) ;
        dp[i][mask] = 1 ;
        i++ ;
    }
    if(i > n) {
        cout << "YES\n" ;
        exit(0) ;
    }
    if(~dp[i][mask]) return dp[i][mask] ;
    int ans = 0 ;
    rep(j , 0 , m - 1) {
        if(!(mask >> j & 1) && cur + b[j + 1] <= pref[i]) {
            ans |= go(i , mask ^ (1 << j) , cur + b[j + 1]) ;
        }
    }
    dp[i][mask] = ans ;
    return ans ;
}

void solve(){
    memset(*dp, -1, sizeof(dp)) ;
    cin >> n >> m ;
    rep(i , 1 , n) cin >> a[i] ;
    rep(i , 1 , n) pref[i] = pref[i - 1] + a[i] ;
    rep(i , 1 , m) cin >> b[i] ;
    int ok = go(1, 0, 0) ;
    cout << "NO\n" ;
}

signed main () {
    // freopen(".in","r",stdin) ;
    // freopen(".out","w",stdout) ;
	ios::sync_with_stdio(false) ;
	cin.tie(0) ;
	int test = 1 ;
	// cin >> test ; 
	for(int i = 1 ; i <= test ; i++) {
		solve() ;
	}
}

Compilation message

bank.cpp: In function 'long long int go(long long int, long long int, long long int)':
bank.cpp:23:19: warning: statement has no effect [-Wunused-value]
   23 | #define dbg(x...) 42
      |                   ^~
bank.cpp:36:9: note: in expansion of macro 'dbg'
   36 |         dbg(mask , pref[i]) ;
      |         ^~~
bank.cpp: In function 'void solve()':
bank.cpp:61:9: warning: unused variable 'ok' [-Wunused-variable]
   61 |     int ok = go(1, 0, 0) ;
      |         ^~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 180772 KB Output is correct
2 Correct 67 ms 180840 KB Output is correct
3 Correct 70 ms 180852 KB Output is correct
4 Correct 65 ms 180812 KB Output is correct
5 Correct 66 ms 180812 KB Output is correct
6 Correct 68 ms 180864 KB Output is correct
7 Correct 69 ms 180852 KB Output is correct
8 Correct 67 ms 180812 KB Output is correct
9 Correct 269 ms 180940 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 180788 KB Output is correct
2 Correct 72 ms 180776 KB Output is correct
3 Correct 71 ms 180864 KB Output is correct
4 Correct 66 ms 180776 KB Output is correct
5 Correct 66 ms 180840 KB Output is correct
6 Correct 66 ms 180844 KB Output is correct
7 Correct 68 ms 180804 KB Output is correct
8 Correct 79 ms 180768 KB Output is correct
9 Correct 67 ms 180868 KB Output is correct
10 Correct 66 ms 180860 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 180792 KB Output is correct
2 Correct 65 ms 180804 KB Output is correct
3 Correct 78 ms 180832 KB Output is correct
4 Correct 66 ms 180792 KB Output is correct
5 Correct 65 ms 180788 KB Output is correct
6 Correct 66 ms 180864 KB Output is correct
7 Correct 70 ms 180840 KB Output is correct
8 Correct 79 ms 180808 KB Output is correct
9 Correct 71 ms 180808 KB Output is correct
10 Correct 66 ms 180852 KB Output is correct
11 Correct 66 ms 180780 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 180772 KB Output is correct
2 Correct 67 ms 180840 KB Output is correct
3 Correct 70 ms 180852 KB Output is correct
4 Correct 65 ms 180812 KB Output is correct
5 Correct 66 ms 180812 KB Output is correct
6 Correct 68 ms 180864 KB Output is correct
7 Correct 69 ms 180852 KB Output is correct
8 Correct 67 ms 180812 KB Output is correct
9 Correct 269 ms 180940 KB Output is correct
10 Correct 70 ms 180788 KB Output is correct
11 Correct 72 ms 180776 KB Output is correct
12 Correct 71 ms 180864 KB Output is correct
13 Correct 66 ms 180776 KB Output is correct
14 Correct 66 ms 180840 KB Output is correct
15 Correct 66 ms 180844 KB Output is correct
16 Correct 68 ms 180804 KB Output is correct
17 Correct 79 ms 180768 KB Output is correct
18 Correct 67 ms 180868 KB Output is correct
19 Correct 66 ms 180860 KB Output is correct
20 Correct 65 ms 180792 KB Output is correct
21 Correct 65 ms 180804 KB Output is correct
22 Correct 78 ms 180832 KB Output is correct
23 Correct 66 ms 180792 KB Output is correct
24 Correct 65 ms 180788 KB Output is correct
25 Correct 66 ms 180864 KB Output is correct
26 Correct 70 ms 180840 KB Output is correct
27 Correct 79 ms 180808 KB Output is correct
28 Correct 71 ms 180808 KB Output is correct
29 Correct 66 ms 180852 KB Output is correct
30 Correct 66 ms 180780 KB Output is correct
31 Correct 64 ms 180768 KB Output is correct
32 Correct 65 ms 180840 KB Output is correct
33 Correct 68 ms 180820 KB Output is correct
34 Correct 67 ms 180824 KB Output is correct
35 Correct 65 ms 180796 KB Output is correct
36 Correct 66 ms 180808 KB Output is correct
37 Correct 76 ms 180764 KB Output is correct
38 Correct 81 ms 180792 KB Output is correct
39 Correct 66 ms 180844 KB Output is correct
40 Correct 71 ms 180812 KB Output is correct
41 Correct 66 ms 180836 KB Output is correct
42 Correct 134 ms 180896 KB Output is correct
43 Correct 68 ms 180852 KB Output is correct
44 Correct 78 ms 180876 KB Output is correct
45 Correct 65 ms 180812 KB Output is correct
46 Correct 67 ms 180868 KB Output is correct
47 Correct 65 ms 180816 KB Output is correct
48 Correct 65 ms 180768 KB Output is correct
49 Correct 80 ms 180812 KB Output is correct
50 Correct 72 ms 180780 KB Output is correct
51 Correct 65 ms 180840 KB Output is correct
52 Correct 67 ms 180808 KB Output is correct
53 Correct 65 ms 180780 KB Output is correct
54 Correct 67 ms 180868 KB Output is correct
55 Correct 67 ms 180812 KB Output is correct
56 Correct 75 ms 180800 KB Output is correct
57 Correct 366 ms 180984 KB Output is correct
58 Correct 66 ms 180812 KB Output is correct