提交记录 13797 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
zrmpaul	noip17a. 【NOIP2017】小凯的疑惑	Compile Error	0	0 ns	0 KB	C++	83 B

提交时间	评测时间
2020-08-11 13:41:25	2020-08-11 13:41:27

代码

int main() {
register int a,b;
scanf("%d%d",&a,&b);
printf("%lld\n",1ll*a*b-a-b);
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/4bff6c72db9511ea899e00163e04388b/contestant.cpp: In function ‘int main()’:
jp_data/tasks/4bff6c72db9511ea899e00163e04388b/contestant.cpp:3:1: error: ‘scanf’ was not declared in this scope
    3 | scanf("%d%d",&a,&b);
      | ^~~~~
jp_data/tasks/4bff6c72db9511ea899e00163e04388b/contestant.cpp:4:1: error: ‘printf’ was not declared in this scope
    4 | printf("%lld\n",1ll*a*b-a-b);
      | ^~~~~~
jp_data/tasks/4bff6c72db9511ea899e00163e04388b/contestant.cpp:1:1: note: ‘printf’ is defined in header ‘<cstdio>’; did you forget to ‘#include <cstdio>’?
  +++ |+#include <cstdio>
    1 | int main() {