제출 #165685

실행 실패 (제출 코드 컴파일 에러)

Main.c: In function ‘main’:
Main.c:25:19: warning: unused variable ‘cost’ [-Wunused-variable]
   25 |         long long cost = X[i] * (i) + current_sum;
      |                   ^~~~
Main.c:28:19: warning: unused variable ‘cost’ [-Wunused-variable]
   28 |         long long cost = X[i] * (i) - current_sum;
      |                   ^~~~
Main.c:30:9: error: ‘cost’ undeclared (first use in this function)
   30 |         cost = cost % MOD;
      |         ^~~~
Main.c:30:9: note: each undeclared identifier is reported only once for each function it appears in
Main.c:8:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    8 |     scanf("%d", &N);
      |     ^~~~~~~~~~~~~~~
Main.c:16:9: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   16 |         scanf("%lld", &X[i]);
      |         ^~~~~~~~~~~~~~~~~~~~