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#include<stdio.h> #include<math.h> struct toado { float x; float y; }; struct diem { toado diemA, diemB; }doan; void nhaptoado( toado &p) { scanf("%f\n", &p.x); scanf("%f\n", &p.y); } void toadodoanthang( diem &tg) { nhaptoado(tg.diemA); nhaptoado(tg.diemB); } void xuattoado( diem &tg) { float k; printf("toa do diem A %f;%f\n", tg.diemA.x, tg.diemA.y); printf("toa do diem B %f;%f\n", tg.diemB.x, tg.diemB.y); k = sqrt(pow(tg.diemA.x - tg.diemB.x, 2) + pow(tg.diemA.y - tg.diemB.y, 2)); printf("do dai doan thang la %f\n", k); } void main () { diem tg; toado p; nhaptoado(p); toadodoanthang(tg); xuattoado(tg); }
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