View Compilation Error

0_0_9051340_27489.cpp:11: error: `uint64_t' does not name a type
0_0_9051340_27489.cpp:14: error: `uint64_t' does not name a type
0_0_9051340_27489.cpp: In function `int main()':
0_0_9051340_27489.cpp:45: error: `scanf' undeclared (first use this function)
0_0_9051340_27489.cpp:45: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9051340_27489.cpp:47: error: `height' undeclared (first use this function)
0_0_9051340_27489.cpp:50: error: `largestRect' undeclared (first use this function)
0_0_9051340_27489.cpp:50: error: `printf' undeclared (first use this function)