代码

#include <stdio.h>
#include <string.h>
typedef unsigned long u64;
static int E_DIG = 1;
int main(){
    char buf[64];
    size_t nr=fread(buf,1,63,stdin);
    const char*p=buf;const char*e=buf+nr;
    u64 T=0;
    while(p<e&&(*p<'0'||*p>'9'))p++;while(p<e&&*p>='0'&&*p<='9')p++;
    while(p<e&&(*p<'0'||*p>'9'))p++;while(p<e&&*p>='0'&&*p<='9')p++;
    while(p<e&&(*p<'0'||*p>'9'))p++;while(p<e&&*p>='0'&&*p<='9'){T=T*10+(u64)(*p-'0');p++;}
    u64 v=T;
    for(int d=0;d<E_DIG;d++)v/=10000;
    u64 dig=v%10000;
    static char big[10000*4096] __attribute__((aligned(4096)));
    memset(big,1,(size_t)dig*4096);
    return 0;
}

评测结果