View Compilation Error

0_0_37801781_206.cpp: In function 'void solve()':
0_0_37801781_206.cpp:74:18: error: missing template arguments before 'p'
             pair p(ps[i].start, ps[i].start + ps[i].end);
                  ^
0_0_37801781_206.cpp:75:40: error: expected primary-expression before ')' token
             w[index].person.push_back(p);
                                        ^
0_0_37801781_206.cpp:80:18: error: missing template arguments before 'p'
             pair p(ps[i].start, w[index].person.back().second + ps[i].end);
                  ^
0_0_37801781_206.cpp:81:40: error: expected primary-expression before ')' token
             w[index].person.push_back(p);
                                        ^