// EXPLOSION!
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<unordered_set>
#include<unordered_map>
#include<chrono>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pair<int, int>> vpi;
typedef vector<pair<ll, ll>> vpll;
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
#define pb push_back
#define mp make_pair
#define rsz resize
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define f first
#define s second
#define cont continue
#define endl '\n'
//#define ednl '\n'
#define test int testc;cin>>testc;while(testc--)
#define pr(a, b) trav(x,a)cerr << x << b; cerr << endl;
#define message cout << "Hello World" << endl;
const int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 }; // for every grid problem!!
const ll linf = 4000000000000000000LL;
const ll inf = 1000000007;//998244353
void pv(vi a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vll a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vector<vi>a) {
F0R(i, sz(a)) { cout << i << endl; pv(a[i]); cout << endl; }
}void pv(vector<vll>a) { F0R(i, sz(a)) { cout << i << endl; pv(a[i]); }cout << endl; }void pv(vector<string>a) { trav(x, a)cout << x << endl; cout << endl; }
void setIO(string s) {
ios_base::sync_with_stdio(0); cin.tie(0);
if (sz(s))
{
freopen((s + ".in").c_str(), "r", stdin);
if (s != "test1")
freopen((s + ".out").c_str(), "w", stdout);
}
}
#ifndef arwaeystoamneg
#include "elephants.h"
#endif
const int MAX = 150005;
int n, a[MAX], l;
vi cur;
void init(int N, int L, int X[])
{
n = N;
l = L;
F0R(i, n)a[i] = X[i];
F0R(i, n)cur.pb(a[i]);
sort(all(cur));
}
int query()
{
int i = 0;
int ans = 0, last = -inf;
while (i < n)
{
if (cur[i] - last > l)
{
ans++;
last = cur[i];
}
i++;
}
return ans;
}
int update(int i, int y)
{
int p = find(all(cur), a[i]) - cur.begin();
a[i] = y;
cur[p] = y;
while (p<n - 1 && cur[p] > cur[p + 1])swap(cur[p], cur[p + 1]), p++;
while (p > 0 && cur[p - 1] > cur[p])swap(cur[p - 1], cur[p]), p++;
return query();
}
#ifdef arwaeystoamneg
#define MAX_N 1000000
#define MAX_M 1000000
static int N, L, M;
static int X[MAX_N];
static int ii[MAX_M];
static int yy[MAX_M];
static int sol[MAX_M];
inline
void my_assert(int e) { if (!e) abort(); }
void read_input()
{
int i;
my_assert(3 == scanf("%d %d %d", &N, &L, &M));
for (i = 0; i < N; i++)
my_assert(1 == scanf("%d", &X[i]));
for (i = 0; i < M; i++)
my_assert(3 == scanf("%d %d %d", &ii[i], &yy[i], &sol[i]));
}
int main()
{
setIO("test1");
int i, ans;
read_input();
init(N, L, X);
for (i = 0; i < M; i++) {
ans = update(ii[i], yy[i]);
if (ans == sol[i])continue;
printf("Incorrect. In %d-th move, answered %d (%d expected).\n",
i + 1, ans, sol[i]);
return 0;
}
printf("Correct.\n");
return 0;
}
#endif
Compilation message
elephants.cpp: In function 'void setIO(std::string)':
elephants.cpp:48:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
48 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
elephants.cpp:50:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
50 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
