```c
#include<stdio.h>
int main()
{
int a[20000];
int x;
scanf("%d",&x);
int sum=0;
for(int i=0;i<x;i++)
{
a[i]=i;
}
int k;
int m=1;
for(int i=0;i<x;i++)
{
sum=a[i]+sum;
if(sum==x)
{
k=i;
sum=0;
printf("%d ",m);
printf("%d",k);
printf("\n");
}
if(sum>x)
{
sum=0;
m=i+1;
}
}
return 0;
}
```
by swaggywang @ 2019-02-27 11:16:04
你用longlong岂不是更好。。
int最大只能65536,我记得有几组测试点都几百万了。。
by _KaQqi @ 2019-03-17 15:54:24
@[_KaQqi](/space/show?uid=68055) $int$范围有这么小吗?
by 犇犇dodo @ 2019-03-27 12:01:38
@[犇犇dodo](/space/show?uid=119969) 是的
by _KaQqi @ 2019-03-27 19:40:28
@[犇犇dodo](/space/show?uid=119969) 额我记错了QwQ,是2147483648
by _KaQqi @ 2019-03-27 20:27:36
@[_KaQqi](/space/show?uid=68055) 2147483647(精准)(手动滑稽)
by wangty @ 2019-08-11 14:58:12
@[wangty](/space/show?uid=42651) 是-2147483648到2147483647精准
by Mingxuan @ 2019-09-10 22:18:19