View Compilation Error

0_0_15003225_685.cpp: In function 'int main()':
0_0_15003225_685.cpp:29:20: error: 'INF' was not declared in this scope
         int minx = INF, maxx = -1;
                    ^
0_0_15003225_685.cpp:40:32: error: 'maxx' was not declared in this scope
         for(int i = minx; i <= maxx; i++) {
                                ^