sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:9:9: warning: variable 'idx' set but not used [-Wunused-but-set-variable]
9 | int idx[nx], s[nx], cnt=0;
| ^~~
sorting.cpp:8:39: warning: unused parameter 'M' [-Wunused-parameter]
8 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
| ~~~~^
sorting.cpp:8:46: warning: unused parameter 'X' [-Wunused-parameter]
8 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
| ~~~~^~~
sorting.cpp:8:55: warning: unused parameter 'Y' [-Wunused-parameter]
8 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
| ~~~~^~~