Borderou de evaluare (job #754886)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare] 11 | for(int i=0;i<strlen(a);i++) | ~^~~~~~~~~~ main.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare] 15 | for(int i=0;i<strlen(a);i++) | ~^~~~~~~~~~ main.cpp:24:18: error: call of overloaded 'abs(size_t)' is ambiguous 24 | fout<<abs(strlen(a)-strlen(b)); | ~~~^~~~~~~~~~~~~~~~~~~~~ In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/cstdlib:79, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/i686-pc-linux-gnu/bits/stdc++.h:42, from main.cpp:1: /usr/include/stdlib.h:861:12: note: candidate: 'int abs(int)' 861 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; | ^~~ In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/cstdlib:81: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)' 79 | abs(long double __x) | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)' 75 | abs(float __x) | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)' 71 | abs(double __x) | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)' 61 | abs(long long __x) { return __builtin_llabs (__x); } | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)' 56 | abs(long __i) { return __builtin_labs(__i); } | ^~~