View Compilation Error

0_0_39473794_30435.cpp:1:15: error: non-local lambda expression cannot have a capture-default
    1 |     auto cnt=[&](char c)->int{
      |               ^
0_0_39473794_30435.cpp: In lambda function:
0_0_39473794_30435.cpp:3:11: error: 'i' was not declared in this scope
    3 |       rep(i,0,7)t+=s[i]==c;
      |           ^
0_0_39473794_30435.cpp:3:7: error: 'rep' was not declared in this scope
    3 |       rep(i,0,7)t+=s[i]==c;
      |       ^~~
0_0_39473794_30435.cpp: At global scope:
0_0_39473794_30435.cpp:6:12: error: 's' was not declared in this scope
    6 |     char x=s[0],y=s[4];
      |            ^