63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
//暴力 80point 逆天了，样例太水了
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#include<bits/stdc++.h>
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using namespace std;
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const int MAX_N = 5e8+5;
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int a[MAX_N];
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int readint();
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int main(){
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const int n = readint();
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for(int i=1;i<=n;i++){
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const int m = readint();
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if(m==1){
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const int x=readint();
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a[x]++;
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}else if(m==2){
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const int x=readint();
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a[x]--;
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}else if(m==3){
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const int l=readint(),r=readint();
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int ans=0;
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for(int j=l;j<=r;j++){
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ans+=j*a[j];
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}
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cout<<ans<<endl;
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}else if(m==4){
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const int x = readint();
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for(int j=x;j>=0;j--){
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if(a[j]){
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cout<<j<<endl;
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goto out1;
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}
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}
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cout<<-1<<endl;
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out1:;
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}else if(m==5){
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const int x = readint();
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for(int j=x;j<MAX_N;j++){
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if(a[j]){
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cout<<j<<endl;
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goto out;
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}
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}
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cout<<-1<<endl;
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out:;
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}
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}
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}
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int readint(){
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int x=0,w=1;
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char ch=0;
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while(!isdigit(ch)){
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if(ch=='-')w=-1;
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ch=getchar();
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}
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while(isdigit(ch)){
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x=x*10+(ch-'0');
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ch=getchar();
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}
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return x*w;
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} |