0_0_21657885_15480.cpp:1:31: error: stray '#' in program
<span style="font-size:18px;">#include<bits/stdc++.h>
^
0_0_21657885_15480.cpp:1:1: error: expected unqualified-id before '<' token
<span style="font-size:18px;">#include<bits/stdc++.h>
^
0_0_21657885_15480.cpp: In function 'int main()':
0_0_21657885_15480.cpp:7:9: error: '__int64' was not declared in this scope
__int64 n,m,k,l;
^
0_0_21657885_15480.cpp:8:22: error: 'scanf' was not declared in this scope
scanf("%d",&t);
^
0_0_21657885_15480.cpp:10:37: error: 'n' was not declared in this scope
scanf("%I64d%I64d",&n,&m);
^
0_0_21657885_15480.cpp:10:40: error: 'm' was not declared in this scope
scanf("%I64d%I64d",&n,&m);
^
0_0_21657885_15480.cpp:11:17: error: 'k' was not declared in this scope
k=n*(n-1);
^
0_0_21657885_15480.cpp:12:46: error: 'printf' was not declared in this scope
if(m>=k/2) printf("%I64d\n",k);
^
0_0_21657885_15480.cpp:14:25: error: 'l' was not declared in this scope
l=k/2-m;
^
0_0_21657885_15480.cpp:15:47: error: 'printf' was not declared in this scope
printf("%I64d\n",k+l*2);
^
0_0_21657885_15480.cpp:18:25: error: 'l' was not declared in this scope
l=n-(m+1);
^
0_0_21657885_15480.cpp:19:33: error: expected ';' before 'num'
__int64 num=l*(n-1)*n;
^
0_0_21657885_15480.cpp:20:34: error: 'num' was not declared in this scope
if(m==1) num+=(1+(n-2)*n)*2;
^
0_0_21657885_15480.cpp:21:30: error: 'num' was not declared in this scope
else num+=(m+(n-1-m)*n)+(1+(m-1)*2+l*n)*m;
^
0_0_21657885_15480.cpp:22:42: error: 'num' was not declared in this scope
printf("%I64d\n",num);
^
0_0_21657885_15480.cpp:22:45: error: 'printf' was not declared in this scope
printf("%I64d\n",num);
^
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