#include <bits/stdc++.h>
using namespace std;
#define a first
#define b second
#define pb push_back
typedef long long llo;
#define endl '\n'
llo n,q;
llo it[200002];
llo pre6[200002];
llo par[200002];
bool vis[200002];
llo fin[200002];
vector<llo> adj[200002];
vector<pair<pair<llo,llo>,llo>> pre[200002];
llo ind[200002];
//llo pre[200002];
vector<llo> pre3[200002];
vector<pair<llo,llo>> tt;
llo ss[200002];
vector<llo> pre4[200002];
void dfs(llo no){
vis[no]=1;
ss[no]=1;
for(auto j:adj[no]){
par[j]=no;
dfs(j);
ss[no]+=ss[j];
llo te=j-no;
tt.pb({j-te,j});
pre3[j-no].pb(j);
pre4[(j-no)+ss[j]-1].pb(j);
//time j-no duration ss[no]
}
}
llo tree[4*200002][2];
void update(llo no,llo l,llo r,llo i,llo aa,llo bb){
/* if(no==0){
cout<<i<<",,"<<aa<<",,"<<bb<<endl;
}*/
if(l==r){
tree[no][0]=aa;
tree[no][1]=-bb*aa;
}
else{
llo mid=(l+r)/2;
if(i<=mid){
update(no*2+1,l,mid,i,aa,bb);
}
else{
update(no*2+2,mid+1,r,i,aa,bb);
}
tree[no][0]=tree[no*2+1][0]+tree[no*2+2][0];
tree[no][1]=tree[no*2+1][1]+tree[no*2+2][1];
}
}
pair<llo,llo> query2(llo no,llo l,llo r,llo aa,llo bb){
if(r<aa or l>bb or aa>bb){
return {0,0};
}
if(aa<=l and r<=bb){
return {tree[no][0],tree[no][1]};
}
llo mid=(l+r)/2;
pair<llo,llo> x=query2(no*2+1,l,mid,aa,bb);
pair<llo,llo> y=query2(no*2+2,mid+1,r,aa,bb);
return {x.a+y.a,x.b+y.b};
}
llo tree3[4*200002][2];
void update3(llo no,llo l,llo r,llo i,pair<llo,llo> x){
if(l==r){
tree3[no][0]+=x.a;
tree3[no][1]+=x.b;
}
if(l<r){
llo mid=(l+r)/2;
if(i<=mid){
update3(no*2+1,l,mid,i,x);
}
else{
update3(no*2+2,mid+1,r,i,x);
}
tree3[no][0]=tree3[no*2+1][0]+tree3[no*2+2][0];
tree3[no][1]=tree3[no*2+1][1]+tree3[no*2+2][1];
}
}
pair<llo,llo> query3(llo no,llo l,llo r,llo aa,llo bb,llo i){
if(r<aa or l>bb or aa>bb){
return {0,0};
}
if(aa<=l and r<=bb){
return {tree3[no][0],tree3[no][1]};
}
else{
llo mid=(l+r)/2;
pair<llo,llo> xx=query3(no*2+1,l,mid,aa,bb,i);
pair<llo,llo> yy=query3(no*2+2,mid+1,r,aa,bb,i);
return {xx.a+yy.a,xx.b+yy.b};
}
}
llo tree4[4*200002];
llo lazy[4*200002];
void push(llo no,llo l,llo r){
tree4[no]+=lazy[no]*(r-l+1);
if(l<r){
lazy[no*2+1]+=lazy[no];
lazy[no*2+2]+=lazy[no];
}
lazy[no]=0;
}
void update2(llo no,llo l,llo r,llo aa,llo bb,llo x){
push(no,l,r);
if(r<aa or l>bb){
return;
}
if(aa<=l and r<=bb){
lazy[no]=x;
push(no,l,r);
}
else{
llo mid=(l+r)/2;
update2(no*2+1,l,mid,aa,bb,x);
update2(no*2+2,mid+1,r,aa,bb,x);
tree4[no]=tree4[no*2+1]+tree4[no*2+2];
}
}
llo query(llo no,llo l,llo r,llo aa,llo bb){
push(no,l,r);
if(r<aa or l>bb or aa>bb){
return 0;
}
if(aa<=l and r<=bb){
return tree4[no];
}
llo mid=(l+r)/2;
llo x=query(no*2+1,l,mid,aa,bb);
llo y=query(no*2+2,mid+1,r,aa,bb);
tree4[no]=tree4[no*2+1]+tree4[no*2+2];
return x+y;
}
llo solve(llo i,llo j){
llo low=-1;
for(llo ii=19;ii>=0;ii--){
if(low+(1<<ii)<tt.size()){
if(tt[low+(1<<ii)].a<=j-i){
low+=(1<<ii);
}
}
}
llo su=0;
if(low>=0){
pair<llo,llo> xx=query2(0,0,n-1,0,low);
// cout<<xx.a<<"????"<<endl;
su+=xx.b;
su+=xx.a*(i+1);
// cout<<su<<",,,"<<endl;
}
//cout<<low<<"??"<<endl;
if(low+1<tt.size()){
llo xx=low;
for(llo jj=19;jj>=0;jj--){
if(xx+(1<<jj)<tt.size()){
if(tt[xx+(1<<jj)].b<=j){
xx+=(1<<jj);
}
}
}
//cout<<low+1<<"::"<<xx<<endl;
if(low+1<=xx){
pair<llo,llo> yy=query3(0,0,tt.size()-1,low+1,xx,j);
su+=yy.b;
su+=(j+1)*yy.a;
}
// cout<<yy.a<<",,"<<yy.b<<endl;
}
return su;
}
void setIO(string name) {
ios_base::sync_with_stdio(0); cin.tie(0);
freopen((name+".txt").c_str(),"r",stdin);
freopen((name+".out").c_str(),"w",stdout);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//setIO("02-02");
cin>>n>>q;
vector<pair<llo,llo>> ss5;
for(llo i=0;i<n;i++){
///it[i]=n-i-1;
cin>>it[i];
pre6[i+1]=pre6[i]+it[i];
while(ss5.size()){
if(ss5.back().a<=it[i]){
ss5.pop_back();
}
else{
break;
}
}
if(ss5.size()){
adj[ss5.back().b].pb(i);
}
ss5.pb({it[i],i});
}
for(llo i=0;i<n;i++){
if(vis[i]==0){
dfs(i);
par[i]=-1;
}
}
sort(tt.begin(),tt.end());
for(llo i=0;i<tt.size();i++){
ind[tt[i].b]=i;
}
/* for(int i=0;i<n;i++){
cout<<ss[i]<<":"<<par[i]<<endl;
}*/
for(llo ii=0;ii<q;ii++){
llo t,l,r;
cin>>t>>l>>r;
l--;
r--;
pre[t].pb({{l,r},ii});
/* llo su3=0;
for(llo i=l;i<=r;i++){
su3+=it[i];
for(llo jj=0;jj<n;jj++){
if(par[jj]>=0){
if(i>=jj and i<=jj+ss[jj]-1){
llo xx=min(i-jj+1,t-(jj-par[jj])+1);
if(xx>=i-jj+1){
su3+=(it[par[jj]]-it[jj]);
}
}
}
}
}
cout<<su3<<endl;
continue;*/
if(tt.size()==0){
cout<<pre6[r+1]-pre6[l]<<endl;
}
}
//return 0;
//assert(tt.size()>0);
if(tt.size()==0){
return 0;
}
//build(0,0,tt.size()-1);
for(llo i=1;i<=n;i++){
//cout<<i<<":"<<endl;
for(auto j:pre3[i]){
//cout<<j<<",,"<<ind[j]<<endl;
llo x=it[par[j]]-it[j];
// cout<<j<<"+"<<endl;
update(0,0,n-1,ind[j],x,i);
update3(0,0,tt.size()-1,ind[j],{x,-j*x});
}
for(auto j:pre4[i]){
//cout<<j<<"-"<<endl;
//cout<<j<<"?"<<j+ss[j]-1<<"?"<<it[par[j]]-it[j]<<endl;
update2(0,0,n-1,j,j+ss[j]-1,it[par[j]]-it[j]);
update(0,0,n-1,ind[j],0,0);
llo x=it[par[j]]-it[j];
update3(0,0,tt.size()-1,ind[j],{-x,j*x});
}
for(auto jj:pre[i]){
pair<llo,llo> j=jj.a;
llo cur=pre6[j.b+1]-pre6[j.a];
//cout<<cur<<"::"<<endl;
cur+=query(0,0,n-1,j.a,j.b);
//continue;
//cout<<cur<<",,"<<endl;///<<tree4[0]<<endl;
cur+=solve(i,j.b);
if(j.a>0){
cur-=solve(i,j.a-1);
}
fin[jj.b]=cur;
}
}
for(llo i=0;i<q;i++){
cout<<fin[i]<<endl;
}
return 0;
}
Compilation message
ho_t5.cpp: In function 'llo solve(llo, llo)':
ho_t5.cpp:146:17: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
146 | if(low+(1<<ii)<tt.size()){
| ~~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp:161:10: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
161 | if(low+1<tt.size()){
| ~~~~~^~~~~~~~~~
ho_t5.cpp:164:17: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
164 | if(xx+(1<<jj)<tt.size()){
| ~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:219:15: warning: comparison of integer expressions of different signedness: 'llo' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
219 | for(llo i=0;i<tt.size();i++){
| ~^~~~~~~~~~
ho_t5.cpp: In function 'void setIO(std::string)':
ho_t5.cpp:182:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
182 | freopen((name+".txt").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t5.cpp:183:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
183 | freopen((name+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
19156 KB |
Output is correct |
| 2 |
Incorrect |
10 ms |
19156 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
19156 KB |
Output is correct |
| 2 |
Correct |
807 ms |
74052 KB |
Output is correct |
| 3 |
Correct |
676 ms |
73848 KB |
Output is correct |
| 4 |
Incorrect |
935 ms |
74100 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
19156 KB |
Output is correct |
| 2 |
Incorrect |
722 ms |
71892 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
614 ms |
57304 KB |
Output is correct |
| 2 |
Correct |
617 ms |
57152 KB |
Output is correct |
| 3 |
Correct |
703 ms |
57668 KB |
Output is correct |
| 4 |
Correct |
629 ms |
57440 KB |
Output is correct |
| 5 |
Correct |
651 ms |
57544 KB |
Output is correct |
| 6 |
Correct |
684 ms |
57348 KB |
Output is correct |
| 7 |
Correct |
624 ms |
57624 KB |
Output is correct |
| 8 |
Correct |
630 ms |
57544 KB |
Output is correct |
| 9 |
Correct |
617 ms |
57408 KB |
Output is correct |
| 10 |
Correct |
674 ms |
57500 KB |
Output is correct |
| 11 |
Correct |
653 ms |
57468 KB |
Output is correct |
| 12 |
Correct |
633 ms |
57540 KB |
Output is correct |
| 13 |
Correct |
642 ms |
57492 KB |
Output is correct |
| 14 |
Correct |
667 ms |
57656 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
19156 KB |
Output is correct |
| 2 |
Incorrect |
10 ms |
19156 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
