View Compilation Error

0_0_4848392_20110.cpp:119: error: `main' must return `int'
0_0_4848392_20110.cpp: In function `int main(...)':
0_0_4848392_20110.cpp:122: error: `time' undeclared (first use this function)
0_0_4848392_20110.cpp:122: error: (Each undeclared identifier is reported only once for each function it appears in.)