0_0_31953848_10144.cpp:48:1: error: stray '\266' in program
二维前缀和版本：
^
0_0_31953848_10144.cpp:48:1: error: stray '\376' in program
0_0_31953848_10144.cpp:48:1: error: stray '\316' in program
0_0_31953848_10144.cpp:48:1: error: stray '\254' in program
0_0_31953848_10144.cpp:48:1: error: stray '\307' in program
0_0_31953848_10144.cpp:48:1: error: stray '\260' in program
0_0_31953848_10144.cpp:48:1: error: stray '\327' in program
0_0_31953848_10144.cpp:48:1: error: stray '\272' in program
0_0_31953848_10144.cpp:48:1: error: stray '\272' in program
0_0_31953848_10144.cpp:48:1: error: stray '\315' in program
0_0_31953848_10144.cpp:48:1: error: stray '\260' in program
0_0_31953848_10144.cpp:48:1: error: stray '\346' in program
0_0_31953848_10144.cpp:48:1: error: stray '\261' in program
0_0_31953848_10144.cpp:48:1: error: stray '\276' in program
0_0_31953848_10144.cpp:48:1: error: stray '\243' in program
0_0_31953848_10144.cpp:48:1: error: stray '\272' in program
0_0_31953848_10144.cpp:76:17: error: conflicting declaration 'int a [1010][1010]'
int a[MAXN][MAXN],n;
^
0_0_31953848_10144.cpp:14:5: note: previous declaration as 'int a [110][110]'
int a[110][110];
^
0_0_31953848_10144.cpp:76:19: error: redefinition of 'int n'
int a[MAXN][MAXN],n;
^
0_0_31953848_10144.cpp:15:5: note: 'int n' previously declared here
int n,i,j,num,ans,maxn,k;
^
0_0_31953848_10144.cpp: In function 'int main()':
0_0_31953848_10144.cpp:78:5: error: redefinition of 'int main()'
int main(){
^
0_0_31953848_10144.cpp:17:5: note: 'int main()' previously defined here
int main(){
^
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