思路:刚开始用STL中的栈,一直RE……,之后改为手动模拟栈操作,在注意点细节就可以了!!! 代码如下: #include<cstdio> #include<cstring> #include<algorithm> #define M 1000001 using namespace std; int A[M],B[M],a[M],s[M],cur,x,q,l,r; char c; int main() { while(scanf("%d",&…
Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes…