Submission #1118326

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1118326	2024-11-25 09:34:24	crafticat	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	316 ms	41044 KiB

railroad

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#include <bits/stdc++.h>
#ifndef DEBUG
#include "railroad.h"
#endif
using namespace std;
template<typename T>
using V = vector<T>;
using ll = long long;
using vi = V<int>;
using pi = pair<int,int>;
constexpr int INF = 1e9 + 7;
#define F0R(i, n) for (int i = 0; i < n;i++)
#define FOR(i, j , n) for (int i = j ;i < n;i++)
struct Seg {
    Seg *left = nullptr, *right = nullptr;
    int l, r, mid;
    pi v;
    Seg(int l, int r, vi &arr) : l(l) ,r(r), mid((l + r) / 2) {
        if (r - l > 1) {
            left = new Seg(l, mid, arr);
            right = new Seg(mid, r, arr);
            v = min(left->v, right->v);
        } else
            v = {arr[l], l};
    }
 
 
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Compilation message (stderr)

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:15:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 | #define F0R(i, n) for (int i = 0; i < n;i++)
......
   70 |     F0R(i, a.size())
      |         ~~~~~~~~~~~                  
railroad.cpp:70:5: note: in expansion of macro 'F0R'
   70 |     F0R(i, a.size())
      |     ^~~
railroad.cpp:15:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 | #define F0R(i, n) for (int i = 0; i < n;i++)
......
   75 |     F0R(i, a.size()) {
      |         ~~~~~~~~~~~                  
railroad.cpp:75:5: note: in expansion of macro 'F0R'
   75 |     F0R(i, a.size()) {
      |     ^~~
railroad.cpp:92:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |     return iter == a.size() ? 0 : 1;
      |            ~~~~~^~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36