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View Compilation Error

0_0_29278321_1757.cpp: In function 'int main()':
0_0_29278321_1757.cpp:37:13: error: expected initializer before 'scanf'
             scanf("%d %d %d %d",&x1,&y1,&x2,&y2);
             ^
0_0_29278321_1757.cpp:41:46: error: 'y2' was not declared in this scope
             c[i].l=x1; c[i].vis=true; c[i].r=y2;
                                              ^


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