0_0_22352722_30115\Main.java:1: 错误: 非法字符: '#'
#include<stdlib.h>
^
0_0_22352722_30115\Main.java:1: 错误: 需要class, interface或enum
#include<stdlib.h>
^
0_0_22352722_30115\Main.java:2: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_22352722_30115\Main.java:3: 错误: 非法字符: '#'
#include<iostream>
^
0_0_22352722_30115\Main.java:4: 错误: 非法字符: '#'
#include<cstring>
^
0_0_22352722_30115\Main.java:5: 错误: 非法字符: '#'
#include<string>
^
0_0_22352722_30115\Main.java:6: 错误: 非法字符: '#'
#include<string.h>
^
0_0_22352722_30115\Main.java:7: 错误: 非法字符: '#'
#include<cmath>
^
0_0_22352722_30115\Main.java:8: 错误: 非法字符: '#'
#include<math.h>
^
0_0_22352722_30115\Main.java:9: 错误: 非法字符: '#'
#include<algorithm>
^
0_0_22352722_30115\Main.java:10: 错误: 非法字符: '#'
#include<vector>
^
0_0_22352722_30115\Main.java:12: 错误: 需要class, interface或enum
int main(){
^
0_0_22352722_30115\Main.java:14: 错误: 需要class, interface或enum
while(~scanf("%d",&n)&&n){
^
0_0_22352722_30115\Main.java:16: 错误: 需要class, interface或enum
scanf("%d %d %d %d",&x1,&y1,&x2,&y2);
^
0_0_22352722_30115\Main.java:17: 错误: 需要class, interface或enum
double sum = 0 ;
^
0_0_22352722_30115\Main.java:18: 错误: 需要class, interface或enum
double s = 0;
^
0_0_22352722_30115\Main.java:19: 错误: 需要class, interface或enum
for(int i=2;i<n;i++){
^
0_0_22352722_30115\Main.java:19: 错误: 需要class, interface或enum
for(int i=2;i<n;i++){
^
0_0_22352722_30115\Main.java:19: 错误: 需要class, interface或enum
for(int i=2;i<n;i++){
^
0_0_22352722_30115\Main.java:21: 错误: 需要class, interface或enum
s = ((x2-x1)*(y3-y1) - (x3-x1)*(y2-y1))/2.0;
^
0_0_22352722_30115\Main.java:22: 错误: 需要class, interface或enum
sum += s;
^
0_0_22352722_30115\Main.java:23: 错误: 需要class, interface或enum
x2 = x3;
^
0_0_22352722_30115\Main.java:24: 错误: 需要class, interface或enum
y2 = y3;
^
0_0_22352722_30115\Main.java:25: 错误: 需要class, interface或enum
}
^
0_0_22352722_30115\Main.java:28: 错误: 需要class, interface或enum
}
^
0_0_22352722_30115\Main.java:30: 错误: 需要class, interface或enum
}
^
26 个错误
|
