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Submission #13787378

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```   #include <bits/stdc++.h>
//    #include <boost/multiprecision/cpp_int.hpp>
#define int  long long
#define inf  1000000007
#define pa pair<int,int>
#define ll long long
#define pal pair<double,double>
#define PI 3.14159265358979323846
#define  mp make_pair
#define  pb push_back
#define EPS (1e-8)

int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,-1,1,1,-1};
using namespace std;
class pa3{
public:
int x;
int y,z;
pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}
bool operator < (const pa3 &p) const{
if(x!=p.x) return x<p.x;
if(y!=p.y) return y<p.y;
return z<p.z;
//return x != p.x ? x<p.x: y<p.y;
}
bool operator > (const pa3 &p) const{
if(x!=p.x) return x>p.x;
if(y!=p.y) return y>p.y;
return z>p.z;
//return x != p.x ? x<p.x: y<p.y;
}
bool operator == (const pa3 &p) const{
return x==p.x && y==p.y && z==p.z;
}
bool operator != (const pa3 &p) const{
return !( x==p.x && y==p.y && z==p.z);
}

};

class pa4{
public:
int x;
int y,z,w;
pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}
bool operator < (const pa4 &p) const{
if(x!=p.x) return x<p.x;
if(y!=p.y) return y<p.y;
if(z!=p.z)return z<p.z;
return w<p.w;
//return x != p.x ? x<p.x: y<p.y;
}
bool operator > (const pa4 &p) const{
if(x!=p.x) return x>p.x;
if(y!=p.y) return y>p.y;
if(z!=p.z)return z>p.z;
return w>p.w;
//return x != p.x ? x<p.x: y<p.y;
}
bool operator == (const pa4 &p) const{
return x==p.x && y==p.y && z==p.z &&w==p.w;
}

};
class pa2{
public:
int x,y;
pa2(int x=0,int y=0):x(x),y(y) {}
pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}
pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}
bool operator < (const pa2 &p) const{
return y != p.y ? y<p.y: x<p.x;
}
bool operator > (const pa2 &p) const{
return x != p.x ? x<p.x: y<p.y;
}
bool operator == (const pa2 &p) const{
return abs(x-p.x)==0 && abs(y-p.y)==0;
}
bool operator != (const pa2 &p) const{
return !(abs(x-p.x)==0 && abs(y-p.y)==0);
}

};

string itos( int i ) {
ostringstream s ;
s << i ;
return s.str() ;
}

int Gcd(int v,int b){
if(v==0) return b;
if(b==0) return v;
if(v>b) return Gcd(b,v);
if(v==b) return b;
if(b%v==0) return v;
return Gcd(v,b%v);
}

int mod;
int extgcd(int a, int b, int &x, int &y) {
if (b == 0) {
x = 1;
y = 0;
return a;
}
int d = extgcd(b, a%b, y, x);
y -= a/b * x;
return d;
}
pa operator+(const pa & l,const pa & r) {
return {l.first+r.first,l.second+r.second};
}
pa operator-(const pa & l,const pa & r) {
return {l.first-r.first,l.second-r.second};
}
int beki(int wa,int rr,int warukazu){
if(rr==0) return 1%warukazu;
if(rr==1) return wa%warukazu;
wa%=warukazu;
if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;
ll zx=beki(wa,rr/2,warukazu);
return (zx*zx)%warukazu;
}

int pr[1000100];
int inv[1000110];

int comb(int nn,int rr){
if(rr<0 || rr>nn || nn<0) return 0;
int r=pr[nn]*inv[rr];
r%=mod;
r*=inv[nn-rr];
r%=mod;
return r;
}

void gya(int ert){
pr[0]=1;
for(int i=1;i<=ert;i++){
pr[i]=((ll)pr[i-1]*i)%mod;
}
inv[ert]=beki(pr[ert],mod-2,mod);
for(int i=ert-1;i>=0;i--){
inv[i]=(ll)inv[i+1]*(i+1)%mod;
}
}

//   cin.tie(0);
//	ios::sync_with_stdio(false);
//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;
//sort(ve.begin(),ve.end(),greater<int>());
//   mt19937(clock_per_sec);

signed main(){
cin.tie(0);
ios::sync_with_stdio(false);

int a;
cin>>a;
string s;
cin>>s;
int b=0;
for(auto c:s){
if(c=='.')continue;
b*=10;
b+=c-'0';
}
a*=b;
cout<<a/100<<endl;

return 0;
}

```

#### Submission Info

Submission Time 2020-05-31 21:04:50+0900 C - Multiplication 3 smiken C++ (GCC 9.2.1) 300 8301 Byte AC 3 ms 3660 KB

#### Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
 AC × 3
 AC × 20
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All hand_01.txt, hand_02.txt, hand_03.txt, random_01.txt, random_02.txt, random_03.txt, random_11.txt, random_12.txt, random_13.txt, random_21.txt, random_22.txt, random_23.txt, random_31.txt, random_32.txt, random_33.txt, sample_01.txt, sample_02.txt, sample_03.txt, zero_01.txt, zero_02.txt
Case Name Status Exec Time Memory
hand_01.txt AC 2 ms 3660 KB
hand_02.txt AC 2 ms 3584 KB
hand_03.txt AC 3 ms 3580 KB
random_01.txt AC 2 ms 3500 KB
random_02.txt AC 2 ms 3500 KB
random_03.txt AC 2 ms 3448 KB
random_11.txt AC 2 ms 3508 KB
random_12.txt AC 2 ms 3568 KB
random_13.txt AC 2 ms 3572 KB
random_21.txt AC 2 ms 3616 KB
random_22.txt AC 2 ms 3568 KB
random_23.txt AC 2 ms 3616 KB
random_31.txt AC 2 ms 3504 KB
random_32.txt AC 2 ms 3552 KB
random_33.txt AC 2 ms 3568 KB
sample_01.txt AC 2 ms 3584 KB
sample_02.txt AC 2 ms 3584 KB
sample_03.txt AC 2 ms 3492 KB
zero_01.txt AC 2 ms 3616 KB
zero_02.txt AC 2 ms 3496 KB