0_0_25869809_12535.cpp: In function 'int len(char*)':
0_0_25869809_12535.cpp:28:46: error: 'abs' was not declared in this scope
ans+=abs(i/3-(str[i]-'0'-1)/3)+abs(i%3-((str[i]-'0')-1)%3);
^
0_0_25869809_12535.cpp: In function 'int dfs(int, int, int)':
0_0_25869809_12535.cpp:46:18: error: 'INF' was not declared in this scope
int tmp1=INF,tmp2;
^
0_0_25869809_12535.cpp:50:13: error: 'tmp2' was not declared in this scope
tmp2=dfs(now+1,num+1,4);
^
0_0_25869809_12535.cpp:52:31: error: 'min' was not declared in this scope
tmp1=min(tmp1,tmp2);
^
0_0_25869809_12535.cpp:58:13: error: 'tmp2' was not declared in this scope
tmp2=dfs(now-1,num+1,3);
^
0_0_25869809_12535.cpp:60:31: error: 'min' was not declared in this scope
tmp1=min(tmp1,tmp2);
^
0_0_25869809_12535.cpp:66:13: error: 'tmp2' was not declared in this scope
tmp2=dfs(now+3,num+1,2);
^
0_0_25869809_12535.cpp:68:31: error: 'min' was not declared in this scope
tmp1=min(tmp1,tmp2);
^
0_0_25869809_12535.cpp:74:13: error: 'tmp2' was not declared in this scope
tmp2=dfs(now-3,num+1,1);
^
0_0_25869809_12535.cpp:76:31: error: 'min' was not declared in this scope
tmp1=min(tmp1,tmp2);
^
0_0_25869809_12535.cpp: In function 'int main()':
0_0_25869809_12535.cpp:90:27: error: 'scanf' was not declared in this scope
while(scanf("%s",s)!=EOF)
^
0_0_25869809_12535.cpp:90:30: error: 'EOF' was not declared in this scope
while(scanf("%s",s)!=EOF)
^
0_0_25869809_12535.cpp:100:38: error: 'printf' was not declared in this scope
printf("unsolvable\n");
^
0_0_25869809_12535.cpp:106:40: error: 'printf' was not declared in this scope
if(res[i]==1)printf("u");
^
0_0_25869809_12535.cpp:107:40: error: 'printf' was not declared in this scope
if(res[i]==2)printf("d");
^
0_0_25869809_12535.cpp:108:40: error: 'printf' was not declared in this scope
if(res[i]==3)printf("l");
^
0_0_25869809_12535.cpp:109:40: error: 'printf' was not declared in this scope
if(res[i]==4)printf("r");
^
0_0_25869809_12535.cpp:111:24: error: 'printf' was not declared in this scope
printf("\n");
^
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