Educational Codeforces Round 72 (Rated for Div. 2)

题目链接

A - Creating a Character

#include
using namespace std;
#define ll long long
const int mod=10007;
const int maxn=100010;

/*
c=6 d=1
x+y=c
x+d=y
x=(c-d)/2
*/
int main()
{
	int t;scanf("%d",&t);
	int cas=1;
	while(t--){
		int a,b,c;
		scanf("%d%d%d",&a,&b,&c);
		if(b+1>=a){
			c-=(b+1-a);
			if(cd){
				int x=(c-d+1)/2;//
				c=c-x+1;
			}else{//
				c++;
			}
		}
		
		printf("%d\n",c);
	}
	return 0;
}

B - Zmei Gorynich（贪心）

#include
using namespace std;
#define ll long long
const int mod=10007;
const int maxn=100010;

struct node{
	int d,h;
}a[maxn];
bool cmp(const node &x,const node &y)
{
	return (-x.d+x.h)