View Compilation Error

0_0_39322165_11125.cpp: In function 'int main()':
0_0_39322165_11125.cpp:58:44: error: 'pow' was not declared in this scope
   58 |                                 y[m].l=pow(pow(x[i].u-x[j].u,2)+pow(x[i].v-x[j].v,2),0.5);
      |                                            ^~~
0_0_39322165_11125.cpp:58:40: error: 'pow' was not declared in this scope
   58 |                                 y[m].l=pow(pow(x[i].u-x[j].u,2)+pow(x[i].v-x[j].v,2),0.5);
      |                                        ^~~