Submission #615851
Source Code Expand
#include<bits/stdc++.h>
using namespace std;
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)
#define mygc(c) (c)=getchar_unlocked()
#define mypc(c) putchar_unlocked(c)
#define ll long long
#define ull unsigned ll
void reader(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
void reader(ll *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
void reader(double *x){scanf("%lf",x);}
int reader(char c[]){int i,s=0;for(;;){mygc(i);if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF) break;}c[s++]=i;for(;;){mygc(i);if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF) break;c[s++]=i;}c[s]='\0';return s;}
template <class T, class S> void reader(T *x, S *y){reader(x);reader(y);}
template <class T, class S, class U> void reader(T *x, S *y, U *z){reader(x);reader(y);reader(z);}
template <class T, class S, class U, class V> void reader(T *x, S *y, U *z, V *w){reader(x);reader(y);reader(z);reader(w);}
void writer(int x, char c){int s=0,m=0;char f[10];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(ll x, char c){int s=0,m=0;char f[20];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(double x, char c){printf("%.15f",x);mypc(c);}
void writer(const char c[]){int i;for(i=0;c[i]!='\0';i++)mypc(c[i]);}
void writer(const char x[], char c){int i;for(i=0;x[i]!='\0';i++)mypc(x[i]);mypc(c);}
template<class T> void writerLn(T x){writer(x,'\n');}
template<class T, class S> void writerLn(T x, S y){writer(x,' ');writer(y,'\n');}
template<class T, class S, class U> void writerLn(T x, S y, U z){writer(x,' ');writer(y,' ');writer(z,'\n');}
template<class T> void writerArr(T x[], int n){int i;if(!n){mypc('\n');return;}rep(i,n-1)writer(x[i],' ');writer(x[n-1],'\n');}
char memarr[17000000]; void *mem = memarr;
#define MD 1000000007
template<class T> T GCD(T a,T b){T r; while(a)r=b,b=a,a=r%a; return b;}
template<class T> T LCM(T a,T b){return a/GCD(a,b)*b;}
int main(){
int i, j, mask;
ll k;
ll y[100], ys;
int N;
int res = 0, fg;
reader(&N);
k = 25;
for(;;){
y[ys++] = k;
if(k*100+25 > N) break;
k = k*100+25;
}
REP(mask,1,1<<ys){
k = 1;
fg = -1;
rep(i,ys) if(mask&1<<i){
k = LCM(k, y[i]);
if(k > N) break;
fg = -fg;
}
res += N / k * fg;
}
writerLn(res);
return 0;
}
Submission Info
Submission Time
2016-01-23 20:06:19+0900
Task
A - ニコニコ数
User
LayCurse
Language
C++ (GCC 4.9.2)
Score
60
Code Size
2702 Byte
Status
AC
Exec Time
26 ms
Memory
928 KB
Compile Error
./Main.cpp: In function ‘void reader(double*)’:
./Main.cpp:15:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
void reader(double *x){scanf("%lf",x);}
^
Judge Result
Set Name
Sample
Subtask1
Score / Max Score
0 / 0
60 / 60
Status
Set Name
Test Cases
Sample
sample_01.txt, sample_02.txt
Subtask1
sample_01.txt, sample_02.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt
Case Name
Status
Exec Time
Memory
sample_01.txt
AC
25 ms
924 KB
sample_02.txt
AC
25 ms
796 KB
test_01.txt
AC
24 ms
924 KB
test_02.txt
AC
25 ms
924 KB
test_03.txt
AC
25 ms
796 KB
test_04.txt
AC
24 ms
800 KB
test_05.txt
AC
24 ms
928 KB
test_06.txt
AC
25 ms
700 KB
test_07.txt
AC
24 ms
920 KB
test_08.txt
AC
24 ms
808 KB
test_09.txt
AC
26 ms
800 KB
test_10.txt
AC
25 ms
796 KB
test_11.txt
AC
26 ms
796 KB
test_12.txt
AC
26 ms
732 KB
test_13.txt
AC
26 ms
728 KB
test_14.txt
AC
26 ms
728 KB
test_15.txt
AC
26 ms
796 KB