Submission #65895

#	Time	Username	Problem	Language	Result	Execution time	Memory
65895		ikura355	Cake (CEOI14_cake)	C++14	46.67 / 100	2074 ms	3132 KiB

cake

#include<bits/stdc++.h>
using namespace std;

const int maxn = 250000 + 5;

int n,st,q;
int a[maxn];
int pos[maxn];

int main() {
	scanf("%d%d",&n,&st);
	for(int i=1;i<=n;i++) scanf("%d",&a[i]);
	for(int i=1;i<=n;i++) pos[n-a[i]+1] = i;
	scanf("%d",&q);
	while(q--) {
		char type; scanf(" %c",&type);
		if(type=='F') {
			int x; scanf("%d",&x);
			if(x==st) printf("0\n");
			else if(x>st) {
				int mx = 0, l = st;
				for(int i=st+1;i<=x;i++) mx = max(mx, a[i]);
				for(int i=st-1;i>=1;i--) {
					if(a[i]>mx) break;
					l = i;
				}
				printf("%d\n",x-l);
			}
			else {
				int mx = 0, r = st;
				for(int i=st-1;i>=x;i--) mx = max(mx, a[i]);
				for(int i=st+1;i<=n;i++) {
					if(a[i]>mx) break;
					r = i;
				}
				printf("%d\n",r-x);
			}
		}
		else {
			int x,ra; scanf("%d%d",&x,&ra);
			for(int i=ra-1;i>=1;i--) a[pos[i]]++;
			a[x] = a[pos[ra]]+1;
			int hey = 15;
			for(int i=1;i<=15;i++) if(pos[i]==x) hey = i;
			for(int i=hey;i>=ra;i--) pos[i] = pos[i-1];
			pos[ra] = x;
//			for(int i=1;i<=n;i++) printf("%d ",pos[i]);
//			printf("\n");
		}
	}
}

Compilation message (stderr)

cake.cpp: In function 'int main()':
cake.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&st);
  ~~~~~^~~~~~~~~~~~~~~
cake.cpp:12:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%d",&a[i]);
                        ~~~~~^~~~~~~~~~~~
cake.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
  ~~~~~^~~~~~~~~
cake.cpp:16:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   char type; scanf(" %c",&type);
              ~~~~~^~~~~~~~~~~~~
cake.cpp:18:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x; scanf("%d",&x);
           ~~~~~^~~~~~~~~
cake.cpp:40:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x,ra; scanf("%d%d",&x,&ra);
              ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 0 / 20
• Subtask 4: 16.666667 / 50