提出 #12605392

---

ソースコード 拡げる

#include <iostream>
#include <vector>
#include <limits.h>
#include <algorithm>
#include <string>
#include <math.h>
#include <limits.h>
#include <queue>
#include <map>
#include <set>
#include <iomanip>
#include <bitset>
#include <cassert>
#include <random>
#include <functional>
#include <stack>
#include <iomanip>
#include <cassert>
//#include <boost/multiprecision/cpp_int.hpp>
#include <complex>
#include <cstdio>
#include <list>
#include <bitset>

//< in.txt > out.txt
using namespace std;
//std::ios::sync_with_stdio(false);
//std::cin.tie(0);
const long long MOD = 1e9 + 7;
const long long INF = 1e18;
typedef long long LL;
typedef long double LD;
typedef pair<LL, LL> PLL;
typedef pair<LD, LL> pdl;
typedef pair<LD, LD> pdd;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned long long ULL;
//typedef boost::multiprecision::cpp_int bigint;

LL A, B, N;

LL func(LL x) {
	return floor((LD)A * x / B) - A * floor((LD)x / B);
}

int main() {
	std::ios::sync_with_stdio(false);
	std::cin.tie(0);
	cin >> A >> B >> N;
	LL ans = 0;
	if (N < B) {
		cout << func(N) << "\n";
	}
	else if (N == B) {
		cout << func(N - 1) << "\n";
	}
	else {
		cout << func(B - 1) << "\n";
	}
	return 0;
}

提出情報

コンパイルエラー

./Main.cpp:51:5: warning: unused variable 'ans' [-Wunused-variable]
        LL ans = 0;
           ^
./Main.cpp:29:17: warning: unused variable 'MOD' [-Wunused-const-variable]
const long long MOD = 1e9 + 7;
                ^
./Main.cpp:30:17: warning: unused variable 'INF' [-Wunused-const-variable]
const long long INF = 1e18;
                ^
3 warnings generated.

ジャッジ結果