Submission #1167142

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1167142	2025-03-15 10:53:21	SmuggingSpun	Bootfall (IZhO17_bootfall)	C++20	13 / 100	1095 ms	492 KiB

bootfall

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#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
const int lim = 505;
int n, a_max, a_sum = 0, a[lim];
namespace sub123{
    const int LIM = 1e4 + 5;
    const int mod = 1e9 + 9;
    void add(int& a, int b){
        if((a += b) >= mod){
            a -= mod;
        }
    }
    void sub(int& a, int b){
        if((a -= b) < 0){
            a += mod;
        }
    }
    int dp[LIM];
    void add_item(int x){
        for(int i = a_sum; i >= x; i--){
            add(dp[i], dp[i - x]);
        }
    }
    void remove_item(int x){
        for(int i = x; i <= a_sum; i++){
            sub(dp[i], dp[i - x]);
        }
    }
    void solve(){
 
 
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:66:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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