Submission #68769089

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Source Code Expand

#include <bits/stdc++.h>

#define rep(i, s, e) for(int i = s; i <= e; ++i)
#define fep(i, s, e) for(int i = s; i < e; ++i)
#define _rep(i, s, e) for(int i = s; i >= e; --i)
#define _fep(i, s, e) for(int i = s; i > e; --i)

#define int long long
#define pii pair<int, int>

namespace FastIO {
	template <typename _Tp> inline void read(_Tp &x) { int neg = 1; char ch; while(ch = getchar(), !isdigit(ch)) if(ch == '-') neg = -1; x = ch - '0'; while(ch = getchar(), isdigit(ch)) x = (x << 3) + (x << 1) + (ch ^ '0'); x *= neg; }
	template <typename _Tp, typename... _Args> inline void read(_Tp &x, _Args &...args) { read(x); read(args...); }
	template <typename _Tp> inline void read(_Tp* begin, _Tp* end) { int len = end - begin; for(int i = 0; i < len; ++i) read(*(begin + i)); }
	template <typename _Tp> inline void write(_Tp x) { if(x < 0) putchar('-'), x = -x; if(x > 9) write(x / 10); putchar(x % 10 + '0'); }
	template <typename _Tp, typename... _Args> inline void write(_Tp x, _Args ...args) { write(x); putchar(' '); write(args...); }
	template <typename _Tp> inline void write(_Tp* begin, _Tp* end) { int len = end - begin; for(int i = 0; i < len; ++i) write(*(begin + i)), putchar(' '); }
}

using namespace std;
using namespace FastIO;

constexpr int inf = numeric_limits<int>::max() / 2;
constexpr int ninf = numeric_limits<int>::min() / 2;
constexpr int mod = 998244353;
constexpr double eps = 0.000001;

int x, a, b, lst, u;
priority_queue<int, vector<int>, greater<int>> q;
vector<int> ans;

void solve() {
	read(x);
	rep(k, -30000000, 30000000) {
		a = k * k - x;
		b = 2 * k + 1;
		if(a % b == 0) q.push(a / b);
	}
	lst = ninf;
	while(!q.empty()) {
		u = q.top(); q.pop();
		if(u != lst) ans.push_back(u), lst = u;
	}
	printf("%lld\n", ans.size());
	for(auto i : ans) printf("%lld ", i);
	return;
}

signed main() {
	int T = 1;
	while(T--) solve();
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void solve()’:
Main.cpp:44:20: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘std::vector<long long int>::size_type’ {aka ‘long unsigned int’} [-Wformat=]
   44 |         printf("%lld\n", ans.size());
      |                 ~~~^     ~~~~~~~~~~
      |                    |             |
      |                    long long int std::vector<long long int>::size_type {aka long unsigned int}
      |                 %ld

Judge Result