delete pics to save space

7.2311.cpp

@@ -0,0 +1,26 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+int R,C,f[205][205];
+int SG(int R,int C)
+{
+	if(R>C) swap(R,C);
+	if(f[R][C]>-1) return f[R][C];
+	bool cnt[205]={0};
+	for(int i=2;i<=R-i;i++) cnt[SG(i,C)^SG(R-i,C)]=1;
+	for(int i=2;i<=C-i;i++) cnt[SG(R,i)^SG(R,C-i)]=1;
+	int &t=f[R][C]; t=0;
+	while(cnt[t]) t++;
+	return t;
+}
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	memset(f,-1,sizeof(f));
+	f[2][3]=f[3][2]=f[2][2]=0; for(int i=1;i<205;i++) f[i][1]=f[1][i]=0;
+	while(scanf("%d%d",&R,&C)==2) puts(SG(R,C)?"WIN":"LOSE");
+	return 0;
+}