Create 1230.c

QUSTOJ/1230.c

@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int map[90][90];
+int vis[90][90];
+void reset_map(int incmaxx,int incmaxy)
+{
+    memset(map,0,sizeof(int)*90*90);
+    memset(vis,0,sizeof(int)*90*90);
+    int i;
+    for(i=0;i<incmaxx+2;i++)
+    {
+        vis[i][0]=1;
+        vis[i][incmaxy+1]=1;
+    }
+    for(i=0;i<incmaxy+2;i++)
+    {
+        vis[0][i]=1;
+        vis[incmaxx+1][i]=1;
+    }
+}
+ 
+void dfs(int x,int y)
+{
+    if(map[x][y]==0||vis[x][y]==1) return;
+    vis[x][y]=1;
+    dfs(x-1,y);
+    dfs(x+1,y);
+    dfs(x,y-1);
+    dfs(x,y+1);
+}
+ 
+void deal(int incmaxx,int incmaxy)
+{
+    int i,j;
+    int count=0;
+    for(i=1;i<incmaxx+1;i++)
+    {
+        for(j=1;j<incmaxy+1;j++)
+        {
+            if(map[i][j]==1&&vis[i][j]==0)
+            {
+                count++;
+                dfs(i,j);
+            }
+        }
+    }
+    printf("%d\n",count);
+}
+char buff[128];
+int main()
+{
+    int all,maxx,maxy,i,j;
+#ifndef __GNUC__
+    freopen("D:\\std.txt","r",stdin);
+#endif
+    scanf("%d",&all);
+    for(;all>0;all--)
+    {
+        scanf("%d %d%*c",&maxx,&maxy);
+        reset_map(maxx,maxy);
+        for(i=0;i<maxx;i++)
+        {
+            memset(buff,0,128);
+            gets(buff);
+            for(j=0;j<maxy;j++)
+            {
+                if(buff[j]=='0')
+                {
+                    map[i+1][j+1]=0;
+                }
+                else
+                {
+                    map[i+1][j+1]=1;
+                }
+            }
+        }
+        deal(maxx,maxy);
+    }
+    return 0;
+}
+ 
+Enter file contents here