摘要：
P1850 换教室 现在有一张图， 有 $v include include include include include define LL long long define REP(i, x, y) for(int (i) = (x);(i) '9'){if(c == ' ')flag = 1 阅读全文
摘要：
U33405 纽约 花费 $w$ 元可以购买一辆容量为 $w$ 的车 现在你有 $n include include include include include define LL long long define REP(i, x, y) for(int (i) = (x);(i) '9'){ 阅读全文