fork download

copy

inline int readInt(){
    int x=0,c=getchar(),neg=0;
    while(c<=32) c=getchar();
    if(c=='-') neg=1,c=getchar();
    for(;c>='0'&&c<='9';c=getchar()) x=x*10+(c-'0');
    return neg?-x:x;
}
inline void writeInt(int x,char endch='\n'){
    if(x==0){
        putchar('0');
        if(endch) putchar(endch);
        return;
    }
    if(x<0){ putchar('-'); x=-x; }
    char s[20]; int n=0;
    while(x) s[n++]=char('0'+x%10),x/=10;
    while(n--) putchar(s[n]);
    if(endch) putchar(endch);
}

prog.cpp: In function ‘int readInt()’:
prog.cpp:2:15: error: ‘getchar’ was not declared in this scope
     int x=0,c=getchar(),neg=0;
               ^~~~~~~
prog.cpp:2:15: note: ‘getchar’ is defined in header ‘<cstdio>’; did you forget to ‘#include <cstdio>’?
+#include <cstdio>
 inline int readInt(){
     int x=0,c=getchar(),neg=0;
               ^~~~~~~
prog.cpp:4:16: error: ‘neg’ was not declared in this scope
     if(c=='-') neg=1,c=getchar();
                ^~~
prog.cpp:6:12: error: ‘neg’ was not declared in this scope
     return neg?-x:x;
            ^~~
prog.cpp: In function ‘void writeInt(int, char)’:
prog.cpp:10:9: error: ‘putchar’ was not declared in this scope
         putchar('0');
         ^~~~~~~
prog.cpp:10:9: note: suggested alternative: ‘char’
         putchar('0');
         ^~~~~~~
         char
prog.cpp:14:14: error: ‘putchar’ was not declared in this scope
     if(x<0){ putchar('-'); x=-x; }
              ^~~~~~~
prog.cpp:14:14: note: suggested alternative: ‘char’
     if(x<0){ putchar('-'); x=-x; }
              ^~~~~~~
              char
prog.cpp:17:16: error: ‘putchar’ was not declared in this scope
     while(n--) putchar(s[n]);
                ^~~~~~~
prog.cpp:17:16: note: suggested alternative: ‘char’
     while(n--) putchar(s[n]);
                ^~~~~~~
                char
prog.cpp:18:15: error: ‘putchar’ was not declared in this scope
     if(endch) putchar(endch);
               ^~~~~~~
prog.cpp:18:15: note: suggested alternative: ‘char’
     if(endch) putchar(endch);
               ^~~~~~~
               char

Standard output is empty