Compilare: main.cpp: In function 'int main()': main.cpp:97:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 97 | if(s[i - 1] != 'x' and s[i - 1] != 'y' and s[i - 1] != 'z' and s[i - 1] != 't') | ^~ main.cpp:102:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 102 | if(s[i] == '+') | ^~ main.cpp:97:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 97 | if(s[i - 1] != 'x' and s[i - 1] != 'y' and s[i - 1] != 'z' and s[i - 1] != 't') | ^ main.cpp:114:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 114 | if(s[l] >= '0' and s[l] <= '9') | ^ main.cpp:10:15: warning: unused variable 'n' [-Wunused-variable] 10 | long long n, i, j, cer, a, b, r, sum = 0, e; | ^ main.cpp:10:21: warning: unused variable 'j' [-Wunused-variable] 10 | long long n, i, j, cer, a, b, r, sum = 0, e; | ^ main.cpp:10:35: warning: unused variable 'r' [-Wunused-variable] 10 | long long n, i, j, cer, a, b, r, sum = 0, e; | ^