Submission #1176241

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1176241	2025-03-30 11:10:02	hoa208	Bootfall (IZhO17_bootfall)	C++20	0 / 100	1 ms	328 KiB

bootfall

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, b, a) for (int i = (b), _a = (a); i >= _a; i--)
#define pa pair<ll, ll>
#define fi first
#define se second
#define bit(mask, j) ((mask >> j) & 1)
#define t_test int t;cin >> t;while(t--)
const   ll mod = 1e9 + 7;
const   ll INF = 1e18;
inline  void adm(ll &x){if(x>=mod)x%=mod;else if(x<0)x+=mod;}
//--------------------------------------------------------------------
const ll N = 503;
ll n, a[N];
ll s[N];
ll dp[N * N];
bitset<N> dx[N], ans;
void hbmt() {
    cin >> n;
    FOR(i, 1, n) {
        cin >> a[i];
        s[i] = s[i - 1] + a[i];
    }
    ans.set();
    dp[0] = 1;
    FOR(i, 1, n) {
        FORD(j, s[n], a[i]) {
            dp[j] += dp[j - a[i]];
 
 
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:63:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen("hbmt.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:64:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |         freopen("hbmt.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 21
• Subtask 6: 0 / 35