Submission #1170251

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1170251	2025-03-19 14:28:41	nathan4690	Grapevine (NOI22_grapevine)	C++20	100 / 100	908 ms	168032 KiB

Main

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// Cay nho - GRAPE
// NOI Singapore 2022 Task 4: Grapevine
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define f1(i,n) for(int i=1;i<=n;i++)
#define __file_name ""
using namespace std;
const ll maxn=1e5+5, inf=1e16;
struct Lazy{
    long long data = 0;
    Lazy(){};
    Lazy(long long data): data(data){};
    Lazy operator+(const Lazy &rhs) const{
        // Push a lazy down
        return Lazy(data + rhs.data);
    }
};
struct Value{
    long long data = 1e18;
    Value(){};
    Value(long long data): data(data){};
    Value operator+(const Value &rhs) const{
        // Merge two nodes
        return Value(min(data, rhs.data));
    }
    Value operator+(const Lazy &rhs) const{
        // Apply lazy to node
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:218:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  218 |         freopen(__file_name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:219:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  219 |         freopen(__file_name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 18 / 18
• Subtask 6: 32 / 32