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#include <iostream> 
#include <string> 
 
int main() 
{ 
int k=0,N=0,PI=3.14; 
float S=0,s=0,y=0; 
 
y= PI/8; 
printf("VVEDITE KOL-VO POVTORENIY N \n"); 
scanf("%i",&N); 
printf("\n\n"); 
 
for(k=0; k<=(N-1); k++); 
{ 
s=1/((4*k+1)*(4*k+3)); 
 
S+=s; 
printf("S%i=%.10f\n",k+1,S); 
} 
printf("S=%.10f\ty=%.10f\n",S,y); 
 
 
getc();
 
return 0; 
}

prog.cpp: In function ‘int main()’:
prog.cpp:24:6: error: too few arguments to function ‘int getc(FILE*)’
 getc();
      ^
In file included from /usr/include/c++/6/cstdio:42:0,
                 from /usr/include/c++/6/ext/string_conversions.h:43,
                 from /usr/include/c++/6/bits/basic_string.h:5417,
                 from /usr/include/c++/6/string:52,
                 from /usr/include/c++/6/bits/locale_classes.h:40,
                 from /usr/include/c++/6/bits/ios_base.h:41,
                 from /usr/include/c++/6/ios:42,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from prog.cpp:1:
/usr/include/stdio.h:534:12: note: declared here
 extern int getc (FILE *__stream);
            ^~~~

Standard output is empty