while(~scanf("%d%d",&n,&m)) {...}
2014-07-30 16:48
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每次在A题的时候,都会碰到用
while(scanf("%d%d",&n,&m)!=EOF) {...}
来判断结束标志的
用while(~scanf("%d%d",&n,&m)) {...}
一样可以判断结束标志。。。
while(scanf("%d%d",&n,&m)!=EOF) {...}
来判断结束标志的
用while(~scanf("%d%d",&n,&m)) {...}
一样可以判断结束标志。。。
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