Compilare: main.cpp: In function 'void solve2()': main.cpp:213:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 213 | for (int i = 0; i < finalSums.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:220:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 220 | for (int i = 0; i < finalSums.size() - 1; i += 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:223:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 223 | if (i < finalSums.size() - 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:237:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 237 | for (int i = 1; i < finalSums.size() - 1; i += 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:240:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 240 | if (i < finalSums.size() - 2) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int closestFibo(int)': main.cpp:74:32: warning: 'idx' may be used uninitialized [-Wmaybe-uninitialized] 74 | int dif1 = x - fibo[idx], dif2 = fibo[idx + 1] - x; | ^ main.cpp:62:43: note: 'idx' was declared here 62 | int st = 0, dr = fibo.size() - 1, idx; | ^~~