OI 批量数据生成器

OI 批量数据生成器

转载自：https://www.cnblogs.com/luoyibujue/p/10564832.html。

//批量生产测试数据
/*
By:fastle
用自己习惯的方式修改了代码。 
生成 10 组 a+b problem 的数据。
*/
#include <bits/stdc++.h>
using namespace std;
#define LL long long
#define problem "a"  //输出文件名
#define prename "a"  //更改之前的文件名
//=============================================================
char ak[1000];
const int cases = 10;  //数据组数
const int mode = 1;  //1 造数据 // 2重新编号

int getrand() {
  return (rand() << 15) + rand() + 1; 
}
LL getlong() {
  return ((LL) getrand() << 31ll) + getrand(); 
}
//=============================================================
const int kMaxn = 1e5 + 10;
LL kLim[cases] = {1000, 1000, 1000, 1000, 10000000, 10000000, 10000000000000ll, 10000000000000ll, 10000000000000ll, 10000000000000ll};

void make_data(int test) {
  LL A, B;
  LL Lim = kLim[test - 1];
  
  A = getrand() % Lim, B = getrand() % Lim;
  printf("%lld %lld\n", A, B);
}
//=============================================================
int main() { 
  srand(time(0));
  for (int a = 1; a <= cases; a++) {
    fprintf(stderr, "%d\n", a);
    if (mode == 1) {
//获得文件输入
      sprintf(ak, problem "%d.in", a);
      freopen(ak, "w", stdout);

      make_data(a);

      fclose(stdout);

//获得文件输出，需要保证目录下存在同名标程。

#ifdef unix
      sprintf(ak, "./" problem " < " problem "%d.in > " problem "%d.out", a, a);
#else
      sprintf(ak, problem ".exe < " problem "%d.in > " problem "%d.out", a, a);
#endif
      system(ak);
  
    }
    if (mode == 2) {
#ifdef unix
      sprintf(ak, "mv " prename "%d.in " problem "%d.in", a, a);
#else
      sprintf(ak, "rename " prename "%d.in " problem "%d.in", a, a);
#endif
      system(ak);

#ifdef unix
      sprintf(ak, "mv " prename "%d.out " problem "%d.out", a, a);
#else
      sprintf(ak, "rename " prename "%d.out " problem "%d.out", a, a);
#endif
      system(ak);
    }
  }

  return 0;
}