Submission #1753828

---

Source Code Expand

#include <cstdio>
#include <vector>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <algorithm>
typedef long long ll ;
#define rep(i, a, b) for (int i = a; i <= b; ++ i) 
const ll inf = 1e18 ;
const int mo = 1e9 + 7 ;
using namespace std ;

ll f[105] ;
vector <pair <ll, ll> > P[105] ;

void pre() {
	f[0] = f[1] = 1 ;
	int n = 1 ;
	rep(i, 2, 100) {
		f[i] = f[i - 1] + f[i - 2] ;
		if (f[i] <= inf) n = i ; else break ;
	}
	P[0].push_back(make_pair(1, 1)) ;
	rep(i, 0, n - 3) {
		rep(j, 0, (int) P[i].size() - 1) {
			ll x = P[i][j].first, y = P[i][j].second ;
			for ( ; ; ) {
				x += y ;
				if (x > f[i] + f[i + 3]) break ;
				P[i + 1].push_back(make_pair(y, x)) ;
			}
		}
	}
}

int main() {
	pre() ;
	int m ;
	ll x, y ;
	scanf("%d", &m) ;
	rep(cas, 1, m) {
		scanf("%lld%lld", &x, &y) ;
		if (x > y) swap(x, y) ;
		int ans = 1 ;
		rep(i, 1, 100) if (f[i] <= x && f[i + 1] <= y) ans = i ; else break ;
		printf("%d ", ans) ;
		if (ans == 1) {
			printf("%lld\n", (ll) x * y % mo) ;
			continue ;
		}
		int k = ans ;
		ans = 0 ;
		rep(i, 0, (int) P[k - 1].size() - 1) {
			ll A = P[k - 1][i].first, B = P[k - 1][i].second ;
			if (B <= x) ans += ((y - A) / B) % mo, ans %= mo ;
			if (B <= y) ans += ((x - A) / B) % mo, ans %= mo ;
		}
		printf("%d\n", (ans + mo) % mo) ;
	}
	return 0 ;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:40:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &m) ;
                  ^
./Main.cpp:42:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &x, &y) ;
                             ^

Judge Result