摘要:
#include using namespace std; int range(int row, int col) { if(row>0 && row0 && col=row) { return -1; } if(c=row) { return -1; } return 0; } int crinmat(... 阅读全文
摘要:
#include #include using namespace std; int main() { int N; cin>>N; int first = 1; int last = N; int start = 1; int length = 4; int curr = 1; char str[100]; cin... 阅读全文