highway.cpp: In function 'int main()':
highway.cpp:29:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for (int i = 0; i < left.size(); i+=2) {
| ~~^~~~~~~~~~~~~
highway.cpp:30:44: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if (!isOnLine(1, left[i], (i+1 < left.size() ? left[i+1] : 2))) {
| ~~~~^~~~~~~~~~~~~
highway.cpp:55:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
55 | for (int i = 0; i < left.size(); i+=2) {
| ~~^~~~~~~~~~~~~
highway.cpp:56:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | if (!isOnLine(1, left[i], (i+1 < left.size() ? left[i+1] : 2))) {
| ~~~~^~~~~~~~~~~~~
office.c: In function 'int isOnLine(int, int, int)':
office.c:85:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
85 | _Fin(0, "Protocol error");
| ^~~~~~~~~~~~~~~~
office.c:88:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
88 | _Fin(0, "Protocol error");
| ^~~~~~~~~~~~~~~~
office.c:92:17: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
92 | _Fin(false, "Too many questions");
| ^~~~~~~~~~~~~~~~~~~~
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
83 | int i;
| ^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
123 | _Fin(0, "Protocol error");
| ^~~~~~~~~~~~~~~~
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
128 | if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
130 | _Fin(true, "Correct");
| ^~~~~~~~~
office.c:132:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
132 | _Fin(false, "Wrong answer");
| ^~~~~~~~~~~~~~
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
134 | if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
136 | _Fin(true, "Correct");
| ^~~~~~~~~
office.c:138:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
138 | _Fin(false, "Wrong answer");
| ^~~~~~~~~~~~~~
office.c:140:19: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
140 | _Fin(false, "Wrong answer");
| ^~~~~~~~~~~~~~
office.c:142:14: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
142 | _Fin(true, "Correct");
| ^~~~~~~~~
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
120 | int na1, nb1, na2, nb2, pont;
| ^~~~
office.c: In function 'void _doInit()':
office.c:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
33 | scanf("%d", &_N);
| ~~~~~^~~~~~~~~~~