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View Compilation Error

0_0_33991560_6850\Main.java:2: 错误: 需要class, interface或enum
using namespace std;
^
0_0_33991560_6850\Main.java:3: 错误: 需要class, interface或enum
struct stu{
^
0_0_33991560_6850\Main.java:5: 错误: 需要class, interface或enum
	long long r;
	^
0_0_33991560_6850\Main.java:6: 错误: 需要class, interface或enum
	long long nc;
	^
0_0_33991560_6850\Main.java:7: 错误: 需要class, interface或enum
	friend bool operator < (stu m1, stu m2){
	^
0_0_33991560_6850\Main.java:9: 错误: 需要class, interface或enum
	}
	^
0_0_33991560_6850\Main.java:11: 错误: 需要class, interface或enum
int main()
^
0_0_33991560_6850\Main.java:14: 错误: 需要class, interface或enum
	priority_queue<stu> q2;
	^
0_0_33991560_6850\Main.java:15: 错误: 需要class, interface或enum
	int a;
	^
0_0_33991560_6850\Main.java:16: 错误: 需要class, interface或enum
	scanf("%d",&a);
	^
0_0_33991560_6850\Main.java:17: 错误: 需要class, interface或enum
	while(a--)
	^
0_0_33991560_6850\Main.java:20: 错误: 需要class, interface或enum
		scanf("%lld",&b);
		^
0_0_33991560_6850\Main.java:21: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		^
0_0_33991560_6850\Main.java:21: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		            ^
0_0_33991560_6850\Main.java:21: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		                 ^
0_0_33991560_6850\Main.java:24: 错误: 需要class, interface或enum
			x.wz=i;
			^
0_0_33991560_6850\Main.java:25: 错误: 需要class, interface或enum
			scanf("%lld %lld",&x.r,&x.nc);
			^
0_0_33991560_6850\Main.java:26: 错误: 需要class, interface或enum
			q.push(x);
			^
0_0_33991560_6850\Main.java:27: 错误: 需要class, interface或enum
		}
		^
0_0_33991560_6850\Main.java:29: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		^
0_0_33991560_6850\Main.java:29: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		            ^
0_0_33991560_6850\Main.java:29: 错误: 需要class, interface或enum
		for(int i=1;i<=b;i++)
		                 ^
0_0_33991560_6850\Main.java:32: 错误: 需要class, interface或enum
			q.pop();
			^
0_0_33991560_6850\Main.java:34: 错误: 需要class, interface或enum
			while(!q.empty() && x.r!=0)
			^
0_0_33991560_6850\Main.java:37: 错误: 需要class, interface或enum
				q.pop();
				^
0_0_33991560_6850\Main.java:38: 错误: 需要class, interface或enum
				if(y.nc>=x.r)
				^
0_0_33991560_6850\Main.java:41: 错误: 需要class, interface或enum
					sum+=x.r;
					^
0_0_33991560_6850\Main.java:42: 错误: 需要class, interface或enum
					x.r=0;
					^
0_0_33991560_6850\Main.java:43: 错误: 需要class, interface或enum
				}
				^
0_0_33991560_6850\Main.java:47: 错误: 需要class, interface或enum
					sum+=y.nc;
					^
0_0_33991560_6850\Main.java:48: 错误: 需要class, interface或enum
					y.nc=0;
					^
0_0_33991560_6850\Main.java:49: 错误: 需要class, interface或enum
				}
				^
0_0_33991560_6850\Main.java:51: 错误: 需要class, interface或enum
			}
			^
0_0_33991560_6850\Main.java:55: 错误: 需要class, interface或enum
				q2.pop();
				^
0_0_33991560_6850\Main.java:56: 错误: 需要class, interface或enum
			}
			^
0_0_33991560_6850\Main.java:59: 错误: 需要class, interface或enum
	}
	^
36 个错误


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