Monikulmio

#include<bits/stdc++.h>
using namespace std;
char grid[105][105];
int n,m,k;
int main(){
	
    cin>>n>>m>>k;
    
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            grid[i][j]='.';
    
    int corners[105][2];
    for(int i=1;i<=k;i++){
        cin>>corners[i][0]>>corners[i][1];
        int y=corners[i][0],x=corners[i][1];
        if(y>0&&y<=n&&x>0&&x<=m)
            grid[y][x]='*';
    }
    
    for(int i=1;i<=k;i++){
        int y1=corners[i][0],x1=corners[i][1];
        int y2=corners[i+1][0],x2=corners[i+1][1];
        if(i==k){
        	y2=corners[1][0],x2=corners[1][1];
		}
        int dy=y2-y1;
        int dx=x2-x1;
        
        char edgeChar;
        if(dy==0)edgeChar='=';
        else if(dx==0)edgeChar='|';
        else if(dy*dx>0)edgeChar='\\';
        else edgeChar='/';
        
        int steps=max(abs(dy),abs(dx));
        for(int j=0;j<=steps;j++){
            int y=y1+j*dy/steps;
            int x=x1+j*dx/steps;
            if(y>0&&y<=n&&x>0&&x<=m){
                if(grid[y][x]!='*'){
                    grid[y][x]=edgeChar;
                }
            }
        }
    }
    
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cout<<grid[i][j];
        }
        cout<<endl;
    }
    
    return 0;
}

Test 1 (public)

Verdict: ACCEPTED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: ACCEPTED

Test 6 (public)

Verdict: ACCEPTED

Test 7 (public)

Verdict: ACCEPTED

Test 8 (public)

Verdict: RUNTIME ERROR

*** stack smashing detected ***: terminated

Test 9 (public)

Verdict: RUNTIME ERROR

*** stack smashing detected ***: terminated

Test 10 (public)

Verdict: RUNTIME ERROR