View Compilation Error

0_0_30615296_15220.cpp: In function 'double closest(int, int)':
0_0_30615296_15220.cpp:91:31: error: 'minn' was not declared in this scope
   if(tempX[i].x>=tempX[mid].x-minn&&tempX[i].x<=tempX[mid].x+minn)
                               ^
0_0_30615296_15220.cpp:95:9: error: 'i' was not declared in this scope
     for(i=0;i<cnt;i++)
         ^
0_0_30615296_15220.cpp:97:13: error: 'j' was not declared in this scope
         for(j=i+1;j<cnt;j++)//tempY数组中的点是按照y坐标升序的
             ^