s1.c

s1.c

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>

#define each(_a, _b) for (_a = 0; _a < _b; ++_a)

bool dow(int a, int b, int c, int x) {
  return 0 == a*(x*x) + b*x + c;
}

int work(void) {
  int a, b, c, i, s;

  scanf("%d %d %d", &a, &b, &c);

  if (b*b < 4*a*c) return 0;
  if (a==0 && b==0 && c==0) return 3;
  if (a==0 && b==0) return 0;
  if (c<0) return 2;
  if (a < b && b < c) return 0;

  return 1;
}

int main(void) {
  int n, i, t;

  scanf("%d", &n);
  each (i, n) {
    t = work();
    switch (t) {
      case 0: puts("No solution");
              break;
      case 1: puts("1 solution");
              break;
      case 2: puts("2 solutions");
              break;
      default: puts("Over 9000 solutions");
    }
  }
  
  return 0;
}