Submission #1156240

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Source Code Expand

#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
#include <random>
#include <fstream>
using namespace std;

#define rep(i, N) for (int i = 0; i < N; i++)
#define pb push_back

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<int, ll> i_ll;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int v; ll w; };

const int MOD = 1000000007;
const int _MOD = 1000000009;
double EPS = 1e-10;
const int INF = INT_MAX / 2;

int main() {
	int N, C, K;
	cin >> N >> C >> K;
	vector<int> a(N);
	rep(i, N) scanf("%d", &a[i]);
	priority_queue<int, vector<int>, greater<int> > pq;
	rep(i, N) pq.push(a[i]);
	int ans = 0;
	while (pq.size()) {
		int x = pq.top(), cnt = 0;
		for (; cnt < C && pq.size() && pq.top() <= x + K; cnt++, pq.pop());
		ans++;
	}
	cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:45:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  rep(i, N) scanf("%d", &a[i]);
                              ^

Judge Result