Submission #927998
Source Code Expand
#include <map>
#include <vector>
#include <functional>
#include <iterator>
#include <cstdio>
#include <array>
template<typename T> struct ScanfSpecifier{};
#define DEF(T,V) template<> struct ScanfSpecifier<T>{static constexpr const char* value = V;};
DEF(char*,"%s")DEF(int,"%d")DEF(double,"%lf")DEF(float,"%f")DEF(char,"%c")DEF(const char*,"%s")DEF(unsigned long,"%lu")DEF(unsigned int, "%u")
#ifdef _MSC_VER
DEF(long long int,"%I64d")
#else
DEF(long long int,"%lld")
#endif
#undef DEF
template<typename T> int RD(T& arg){return std::scanf(ScanfSpecifier<T>::value, &arg);}
template<int S> int RD(char (&arg)[S]){return std::scanf("%s", arg);}
int RD(char* arg){return std::scanf("%s", arg);}
template<> int RD<char>(char& arg){return std::scanf(" %c", &arg);}
template<typename T, typename... Args> int RD(T& arg1, Args&... args) {return RD(arg1) + RD(args...);}
template<typename T> T RD(){T ret; RD(ret); return ret;}
template<typename It> void RDV(It begin, It end) { while(begin != end) RD(*begin++); }
template<typename C> void RDV(C& c) {RDV(std::begin(c), std::end(c));}
template<typename... Args> void WT(Args... args) { int alc = 0; int dummy[] = {((alc++? std::printf(" "): 0), std::printf(ScanfSpecifier<Args>::value, args), 0)...}; }
template<typename... Args> void WTL(Args... args) { WT(args...); std::printf("\n"); }
template<typename It> void WTV(It begin, It end) { int alc = 0; while(begin != end) (alc++? std::printf(" "): 0), WT(*begin++); }
template<typename C> void WTV(const C& c) {WTV(std::begin(c), std::end(c));}
template<typename It> void WTVL(It begin, It end) { WTV(begin, end); std::printf("\n"); }
template<typename C> void WTVL(const C& c) {WTVL(std::begin(c), std::end(c));}
namespace XX
{
template<template<typename> class Compare, typename T>
inline T& UP(T& x, const T& y){if(Compare<T>()(y, x)) x = y; return x;}
template<typename Compare, typename T>
inline T& UP(T& x, const T& y, Compare comp){if(comp(y, x)) x = y; return x;}
template<typename T> inline T& GT(T& x, const T& y){return UP<std::greater>(x, y);}
template<typename T> inline T& LS(T& x, const T& y){return UP<std::less>(x, y);}
template<typename T>
struct Mapper
{
int operator[](const T& v) { int& ret = table[v]; if(!ret) rtable[ret = table.size()] = v; return ret - 1; }
template<typename... Args> int operator()(Args... args) { return (*this)[T(args...)]; }
T rev(int idx){return rtable[idx + 1];}
std::map<T, int> table;
std::map<int, T> rtable;
};
template<typename T, int S>
struct ReferenceArray
{
struct It {typename std::array<T*, S>::iterator it; T& operator*(){return **it;} void operator++(){it++;} bool operator!=(const It& other){return it != other.it;} };
int size()const{return _ptr.size();}
It begin()const{return {_ptr.begin()};}
It end()const{return {_ptr.end()};}
T& operator[](int idx)const{return *_ptr[idx];}
mutable std::array<T*, S> _ptr;
};
template<typename T, typename... Args>
ReferenceArray<T, sizeof...(Args) + 1> MAKEV(T& arg1, Args&... args) {return {&arg1, &args...};}
struct Range
{
struct It { int num, step; int operator*(){return num;} void operator++(){num += step;} bool operator!=(const It& other){return num != other.num;} };
Range(int ee):b(0),e(ee){}
Range(int bb, int ee):b(bb), e(ee){}
It begin(){return {b, (b < e? 1: -1)};}
It end(){return {e, 0};}
int b, e;
};
}
//alias
template<typename T> T& UMAX(T& x, T y){return XX::UP<std::greater>(x, y);}
template<typename T> T& UMIN(T& x, T y){return XX::UP<std::less>(x, y);}
using XX::UP; //(x,y) comp
using RG = XX::Range;
using XX::MAKEV;
using XX::Mapper;
//RD[L],RDV[L],WT[L],WTV[L] for i/o
//template
#include <vector>
#include <string>
#include <set>
#include <map>
#include <cstdlib>
#include <algorithm>
#include <functional>
using namespace std;
int main()
{
int N;
RD(N);
long long int a, b;
long long int last = 1;
RD(a, b);
for(int i = 1; i < N; i++)
{
long long int x, y;
RD(x, y);
last = max((a * last + x - 1) / x, (b * last + y - 1) / y);
a = x;
b = y;
}
WTL((a + b) * last);
}
Submission Info
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 300 |
Status |
|
|
Set Name |
Test Cases |
Sample |
0_000.txt, 0_001.txt, 0_002.txt |
All |
0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt |
Case Name |
Status |
Exec Time |
Memory |
0_000.txt |
AC |
1 ms |
128 KB |
0_001.txt |
AC |
1 ms |
128 KB |
0_002.txt |
AC |
1 ms |
128 KB |
1_003.txt |
AC |
1 ms |
128 KB |
1_004.txt |
AC |
1 ms |
128 KB |
1_005.txt |
AC |
1 ms |
128 KB |
1_006.txt |
AC |
1 ms |
128 KB |
1_007.txt |
AC |
1 ms |
128 KB |
1_008.txt |
AC |
1 ms |
128 KB |
1_009.txt |
AC |
1 ms |
128 KB |
1_010.txt |
AC |
1 ms |
128 KB |
1_011.txt |
AC |
1 ms |
128 KB |
1_012.txt |
AC |
1 ms |
128 KB |
1_013.txt |
AC |
1 ms |
128 KB |
1_014.txt |
AC |
1 ms |
128 KB |