View Compilation Error

0_0_20467680_17745.cpp:25:7: error: '___int64' does not name a type
 const ___int64 inf=0xffffffffffffff;
       ^
0_0_20467680_17745.cpp: In function 'void init()':
0_0_20467680_17745.cpp:62:18: error: 'INF' was not declared in this scope
     iMap[i][j] = INF;
                  ^
0_0_20467680_17745.cpp: In function 'long long int getCost(long long int)':
0_0_20467680_17745.cpp:74:9: error: 'INF' was not declared in this scope
  return INF;
         ^
0_0_20467680_17745.cpp: In function 'int main()':
0_0_20467680_17745.cpp:110:29: error: 'INF' was not declared in this scope
    if(iMap[beginX][endX] == INF){
                             ^