View Compilation Error

0_0_11870384_7857.cpp:1: error: expected constructor, destructor, or type conversion before '<' token
0_0_11870384_7857.cpp:1: error: expected `,' or `;' before '<' token
0_0_11870384_7857.cpp:5: error: expected constructor, destructor, or type conversion before ';' token
0_0_11870384_7857.cpp: In function `int bellman_ford()':
0_0_11870384_7857.cpp:77: error: `edge' undeclared (first use this function)
0_0_11870384_7857.cpp:77: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11870384_7857.cpp: In function `int main()':
0_0_11870384_7857.cpp:87: error: `scanf' undeclared (first use this function)
0_0_11870384_7857.cpp:94: error: `edge' undeclared (first use this function)
0_0_11870384_7857.cpp:101: error: `printf' undeclared (first use this function)