Submission #1165165

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165165	2025-03-11 07:56:41	SmuggingSpun	Boat (APIO16_boat)	C++20	36 / 100	13 ms	4620 KiB

boat

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#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
const int lim = 505;
const int LIM = 1e9 + 5;
const int mod = 1e9 + 7;
void add(int& a, int b){
    if((a += b) >= mod){
        a -= mod;
    }
}
int n, a[lim], b[lim];
namespace sub12{
    map<int, int>bit;
    void update(int p, int x){
        for(; p < LIM; p += p & -p){
            add(bit[p], x);
        }
    }
    int get(int p){
        int ans = 0;
        for(; p > 0; p -= p & -p){
            auto it = bit.find(p);
            if(it != bit.end()){
                add(ans, it->second);
            }
        }
        return ans;
    }
    void solve(){
 
 
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Compilation message (stderr)

boat.cpp: In function 'int main()':
boat.cpp:114:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 22
• Subtask 3: 27 / 27
• Subtask 4: 0 / 42