传送门
线段树
//Twenty #include#include #include #include #include #include #include #include #define lc x<<1 #define rc x<<1|1 #define mid ((l+r)>>1) const int maxn=100005; int a,b,n,m,sg[maxn<<2]; double sgd[maxn<<2]; using namespace std; inline int read(){int ret=0,f=1; char ch=getchar();while((ch!='-')&&(ch<'0'||ch>'9')) ch=getchar();if(ch=='-') f=-1,ch=getchar();for(;ch>='0'&&ch<='9';ch=getchar()) ret=ret*10+ch-'0';return ret*f; } int CUL(double ma,int x,int l,int r){if(l==r) { return sgd[x]>ma;}if(sgd[lc]<=ma) return CUL(ma,rc,mid+1,r);else return sg[x]-sg[lc]+CUL(ma,lc,l,mid); } void change(int x,int l,int r,int xx,double w){if(l==r) {sg[x]=1; sgd[x]=w;return;}if(xx<=mid) change(lc,l,mid,xx,w);else change(rc,mid+1,r,xx,w);sgd[x]=max(sgd[lc],sgd[rc]);sg[x]=sg[lc]+CUL(sgd[lc],rc,mid+1,r); } int main() {n=read(); m=read();while(m--){a=read(); b=read();change(1,1,n,a,(double)b/a);printf("%d ",sg[1]); }return 0; }