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血与泪的教训啊!!读入的时候要分开读。。RT
原代码为:
for (j=1;j<=k;j++)
cin>>t>>cost[t][i];
discuss里面所有数据都测过了,狂WA,WA到死
后经一神人指点,改为:
for (j=1;j<=k;j++)
{
cin>>t;
cin>>cost[t][i];
}
瞬间AC。。。。。。。
以后还是不要偷懒乖乖写scanf吧,唉。。10次才AC,各种囧
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