View Compilation Error

0_0_37797725_10145.cpp: In function 'int main()':
0_0_37797725_10145.cpp:110:9: error: 'function' was not declared in this scope
         function<vector<ll>(int, int)> solve=[&](int l, int r) {
         ^
0_0_37797725_10145.cpp:110:28: error: expected primary-expression before '(' token
         function<vector<ll>(int, int)> solve=[&](int l, int r) {
                            ^
0_0_37797725_10145.cpp:110:29: error: expected primary-expression before 'int'
         function<vector<ll>(int, int)> solve=[&](int l, int r) {
                             ^
0_0_37797725_10145.cpp:110:34: error: expected primary-expression before 'int'
         function<vector<ll>(int, int)> solve=[&](int l, int r) {
                                  ^
0_0_37797725_10145.cpp:110:40: error: 'solve' was not declared in this scope
         function<vector<ll>(int, int)> solve=[&](int l, int r) {
                                        ^