Main.cpp: In function 'int main()':
Main.cpp:22:38: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
22 | for(int i=1; i<=N && V.size()<K; i++) if(i!=R1) V.push_back(i);
| ~~~~~~~~^~
Main.cpp:26:38: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
26 | for(int i=1; i<=N && V.size()<K-1; i++) if(i!=R1 && i!=R2) V.push_back(i);
| ~~~~~~~~^~~~
Main.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d%d%d%d", &N, &K, &Q, &T);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:13:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | int p; scanf("%d", &p);
| ~~~~~^~~~~~~~~~
Main.cpp:17:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | int p; scanf("%d", &p);
| ~~~~~^~~~~~~~~~
Main.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
36 | scanf("%d%d%d%d", A+i, B+i, C+i, D+i);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:40:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
40 | int a, b; scanf("%d%d", &a, &b);
| ~~~~~^~~~~~~~~~~~~~~~