Compilare: main.cpp: In function 'void solve2()': main.cpp:211:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 211 | for (int i = 0; i < finalSums.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:218:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for (int i = 0; i < finalSums.size() - 1; i += 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:221:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 221 | if (i < finalSums.size() - 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:235:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 235 | for (int i = 1; i < finalSums.size() - 1; i += 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:238:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 238 | if (i < finalSums.size() - 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int closestFibo(int)': main.cpp:72:32: warning: 'idx' may be used uninitialized [-Wmaybe-uninitialized] 72 | int dif1 = x - fibo[idx], dif2 = fibo[idx + 1] - x; | ^ main.cpp:60:43: note: 'idx' was declared here 60 | int st = 0, dr = fibo.size() - 1, idx; | ^~~