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上傳編號
172419
上傳時間
2023-05-04 07:04:38
題目
[練習題]西格馬嗯
使用者
anonymous
總得分
100,
Accepted
AC
in 520 ms
#
State
Runtime
Memory
0
Accepted
AC
0
393216
1
Accepted
AC
0
385024
2
Accepted
AC
0
380928
3
Accepted
AC
520
376832
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
#include
<iostream>
using
namespace
std
;
int
main
(
)
{
int
a
;
long
long
int
o
=
0
;
cin
>>
a
;
for
(
int
i
=
1
;
i
<=
a
;
i
++
)
{
o
=
o
+
i
;
}
cout
<<
o
<<
endl
;
}
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