Submission #695078

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Source Code Expand

#include<cmath>
#include<cstdio>
#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cstring>
using namespace std;
 
typedef long long LL;
typedef vector<int> VI;
 
#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i)
#define eprintf(s...) fprintf(stderr, s)
 
template<class T> inline void amin(T &a, const T &b) { if (b<a) a=b; }
template<class T> inline void amax(T &a, const T &b) { if (a<b) a=b; }
 
LL my_sqrt(LL x) {
    LL hi = x, lo = 0;
    while (hi -lo > 1) {
	LL m = (hi + lo) >> 1;
	(m*m <= x? lo : hi) = x;
    }
    return lo;
}
int Q;
LL N;
 
int main() {
 
    scanf("%d", &Q);
    REP ($, Q) {
	scanf("%lld", &N);
	if (N == 1) {
	    puts("0 0");
	    continue;
	}
 
	N--;
	LL lo = 0, hi = 1LL<<31;
	while (hi - lo > 1) {
	    LL m = (hi + lo) >> 1;
	    (m * (m+1) * 2 < N ? lo : hi) = m;
	}
	LL p = hi;
 
	LL b = (p-1)*p*2 + 1;
 
	if (N-b < 2*p) {
	    if (N % 2) printf("%lld %lld\n", -p+(N-b)/2, (N-b)/2);
	    else printf("%lld %lld\n", -p+(N-b+1)/2, -(N-b+1)/2);
	} else {
	    if (N % 2) printf("%lld %lld\n", (N-b-2*p)/2, p - (N-b-2*p)/2);
	    else printf("%lld %lld\n", (N-b-2*p+1)/2, -p + (N-b-2*p + 1)/2);
	}
    }
    
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:33:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q);
                    ^
./Main.cpp:35:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &N);
                   ^

Judge Result