Submission #303258

#	Time	Username	Problem	Language	Result	Execution time	Memory
303258		Kevin_Zhang_TW	Comparing Plants (IOI20_plants)	C++17	0 / 100	1 ms	384 KiB

plants

#include "plants.h"

#include<bits/stdc++.h>
#define pb emplace_back
using namespace std;
using ll = long long;
#ifdef KEV
#define DE(a, b) cerr << #a << ' ' << a << b
void debug(auto L, auto R) { while (L != R) cerr << *L << " \n"[L+1==R], ++L; }
#else
#define DE(...) 0
void debug(...) {}
#endif
const int maxn = 300010;

#define PI pair<int,int>
int nxt[maxn], n, r[maxn], k;
set<pair<int,int>> win;
int F(int i) { return i % n; }
void init(int k, std::vector<int> r) {
    ::k = k;
	n = r.size();
    for (int i = 0;i < n;++i)
        win.insert( r[i]? PI{F(i+1), i} : PI{i, F(i+1)});
	return;
}
int compare_plants(int x, int y) {
    if (win.count({x, y}))
        return 1;
    if (win.count({y, x}))
        return -1;
	return 0;
}

Compilation message (stderr)

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:23:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   23 |     for (int i = 0;i < n;++i)
      |     ^~~
plants.cpp:25:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   25 |  return;
      |  ^~~~~~
plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:30:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   30 |     if (win.count({y, x}))
      |     ^~
plants.cpp:32:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   32 |  return 0;
      |  ^~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 15
• Subtask 7: 0 / 25