Submission #927928

---

Source Code Expand

#include <cstdio>

int main(){
  int N; scanf("%d", &N);

  long long A, B; scanf("%lld%lld", &A, &B);

  for(int i = 1; i < N; i++){
    int X, Y; scanf("%d%d", &X, &Y);
    // Xa >= A, Ya >= B
    // a >= A / X, a >= B / Y
    long long Xa = A / X, Ya = B / Y;
    if(X * Xa < A) Xa++;
    if(Y * Ya < B) Ya++;

    long long a = (Xa > Ya ? Xa : Ya);

    A = X * a; B = Y * a;
  }

  printf("%lld\n", A + B);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int N; scanf("%d", &N);
                         ^
./Main.cpp:6:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   long long A, B; scanf("%lld%lld", &A, &B);
                                            ^
./Main.cpp:9:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     int X, Y; scanf("%d%d", &X, &Y);
                                    ^

Judge Result