0_0_19910751_15827.cpp: In function 'int booldfs()':
0_0_19910751_15827.cpp:49:1: error: 'intx1' was not declared in this scope
intx1,y1;
^
0_0_19910751_15827.cpp:49:7: error: 'y1' was not declared in this scope
intx1,y1;
^
0_0_19910751_15827.cpp:55:1: error: 'x1' was not declared in this scope
x1=x+r;y1=y+r;
^
0_0_19910751_15827.cpp:71:8: error: 'dfs' was not declared in this scope
if(dfs()) return1;
^
0_0_19910751_15827.cpp:71:11: error: 'return1' was not declared in this scope
if(dfs()) return1;
^
0_0_19910751_15827.cpp:89:1: error: 'return0' was not declared in this scope
return0;
^
0_0_19910751_15827.cpp:91:1: error: 'return1' was not declared in this scope
return1;
^
0_0_19910751_15827.cpp: In function 'int main()':
0_0_19910751_15827.cpp:123:5: error: 'inti' was not declared in this scope
for(inti=1;i<=n;i++)
^
0_0_19910751_15827.cpp:123:12: error: 'i' was not declared in this scope
for(inti=1;i<=n;i++)
^
0_0_19910751_15827.cpp:125:5: error: 'intj' was not declared in this scope
for(intj=1;j<=n;j++)
^
0_0_19910751_15827.cpp:125:12: error: 'j' was not declared in this scope
for(intj=1;j<=n;j++)
^
0_0_19910751_15827.cpp:131:1: error: 'intc' was not declared in this scope
intc=dfs();
^
0_0_19910751_15827.cpp:131:10: error: 'dfs' was not declared in this scope
intc=dfs();
^
0_0_19910751_15827.cpp:133:4: error: 'c' was not declared in this scope
if(c==1) printf("YES\n");
^
0_0_19910751_15827.cpp:135:4: error: 'c' was not declared in this scope
if(c==0) printf("NO\n");
^
0_0_19910751_15827.cpp:139:1: error: 'return0' was not declared in this scope
return0;
^
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