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 #include <graphics.h> int main() { int gd = DETECT, gm; initgraph(&gd, &gm,(char*) "");     rectangle(150,180,250,300);     rectangle(250,180,420,300);     rectangle(180,250,220,300);     //front roof     line(200,100,150,180);     line(200,100,250,180);     //side roof     line(200,100,380,100);     line(380,100,420,180);     //side window     rectangle(305,220,365,260);     line(305,240,365,240);     line(335,220,335,260);     //for windilator     circle(200,140,10);     //chemney     rectangle(340,70,360,100);     rectangle(335,65,365,70);     //smoke     circle(345,55,7);     circle(356,55,5);     circle(349,44,4);          //fill color in hut     setfillstyle(HATCH_FILL,BROWN);     floodfill(152, 182, WHITE);     floodfill(252, 182, WHITE);     floodfill(341,71,WHITE);          setfillstyle(SLASH_FILL,BLUE);     floodfill(182, 252, WHITE);          setfillstyle(HATCH_FILL,GREEN);     floodfill(201, 105, WHITE);     floodfill(211, 105, WHITE);       

  What is a prototype model? A prototype model is a first or preliminary version of the final software. On comparing it to actual software, a prototype becomes a basic model of the final system. A prototype has restricted functional capabilities, low reliability, and inefficient performance. The prototype model helps the best when we do not have defined project requirements.. Prototype definition: The Prototyping Model is a Systems Development Methodology (SDM) that involves building, testing, and reworking a model output. It is one of the most popular Software Development Life Cycle Models (SDLC models). The prototype works as a version on which various tests are conducted, and improvements are made. The process continues until a product without error is met that can be developed as a final product. The model allows users to check the developer’s concepts and test them before implementation. It serves the purpose of trial and error. In addition to market research and user feedback, pr