#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
int T[500000],X[500000],A[500000];
vpii all;
struct node { LLI ans,ss,ee,both,sum; };
node com(node a,node b) {
node c;
c.ans = max(max(a.ans+b.ans,a.ss+b.ee),(LLI) -3e18);
c.ss = max(max(max(a.ans+b.ss,a.ss+b.both),a.ss+b.sum),(LLI) -3e18);
c.ee = max(max(max(a.ee+b.ans,a.both+b.ee),a.sum+b.ee),(LLI) -3e18);
c.both = max(max(a.ee+b.ss,a.both+b.both),(LLI) -3e18);
c.sum = a.sum+b.sum;
return c;
}
int on[1500000];
node tree[1 << 22];
LLI lazys[1 << 22],lazye[1 << 22];
int build(int s,int e,int i) {
if (s == e) {
tree[i] = (node){0LL,(LLI) -3e18,(LLI) -3e18,(LLI) -3e18,0LL};
return 0;
}
int mid = (s+e) / 2;
build(s,mid,2*i+1),build(mid+1,e,2*i+2);
tree[i] = (node){0LL,(LLI) -3e18,(LLI) -3e18,(LLI) -3e18,0LL};
return 0;
}
int prop(int s,int e,int i) {
if (lazys[i] != 0) {
tree[i].ss += lazys[i],tree[i].both += lazys[i];
if (s != e) lazys[2*i+1] += lazys[i],lazys[2*i+2] += lazys[i];
lazys[i] = 0;
}
if (lazye[i] != 0) {
tree[i].ee += lazye[i],tree[i].both += lazye[i];
if (s != e) lazye[2*i+1] += lazye[i],lazye[2*i+2] += lazye[i];
lazye[i] = 0;
}
return 0;
}
int update(int s,int e,int ai,int i,int num) {
prop(s,e,i);
if ((s > ai) || (e < ai)) return 0;
else if (s == e) {
tree[i].sum += num;
return 0;
}
int mid = (s+e) / 2;
update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num);
tree[i] = com(tree[2*i+1],tree[2*i+2]);
return 0;
}
int activate(int s,int e,int ai,int i) {
prop(s,e,i);
if ((s > ai) || (e < ai)) return 0;
else if (s == e) {
if (all[s].second == -1) tree[i].ss += 3e18;
else tree[i].ee += 3e18;
return 0;
}
int mid = (s+e) / 2;
activate(s,mid,ai,2*i+1),activate(mid+1,e,ai,2*i+2);
tree[i] = com(tree[2*i+1],tree[2*i+2]);
return 0;
}
int update2(int s,int e,int as,int ae,int i,int t,int num) {
prop(s,e,i);
if ((s > ae) || (e < as)) return 0;
else if ((s >= as) && (e <= ae) && (s == e)) {
if (t == 0) lazys[i] += num;
else lazye[i] += num;
prop(s,e,i);
return 0;
}
int mid = (s+e) / 2;
update2(s,mid,as,ae,2*i+1,t,num),update2(mid+1,e,as,ae,2*i+2,t,num);
tree[i] = com(tree[2*i+1],tree[2*i+2]);
return 0;
}
int main() {
int i;
int Q,L;
scanf("%d %d",&Q,&L);
for (i = 0; i < Q; i++) {
scanf("%d %d %d",&T[i],&X[i],&A[i]);
if (T[i] == 1) all.pb(mp(X[i]-L,-1)),all.pb(mp(X[i],0)),all.pb(mp(X[i]+L,1));
else all.pb(mp(X[i],0));
}
LLI sum = 0;
sort(all.begin(),all.end());
all.resize(unique(all.begin(),all.end())-all.begin());
build(0,all.size()-1,0);
for (i = 0; i < Q; i++) {
if (T[i] == 1) {
int p = lower_bound(all.begin(),all.end(),mp(X[i]-L,-1))-all.begin();
int q = lower_bound(all.begin(),all.end(),mp(X[i],0))-all.begin();
int r = lower_bound(all.begin(),all.end(),mp(X[i]+L,1))-all.begin();
if (!on[p]) activate(0,all.size()-1,p,0),on[p] = 1;
if (!on[r]) activate(0,all.size()-1,r,0),on[r] = 1;
update(0,all.size()-1,q,0,A[i]);
update2(0,all.size()-1,p+1,q,0,0,-A[i]);
update2(0,all.size()-1,q,r-1,0,1,-A[i]);
sum += A[i];
}
else {
int p = lower_bound(all.begin(),all.end(),mp(X[i],0))-all.begin();
update(0,all.size()-1,p,0,-A[i]);
}
printf("%lld\n",sum-tree[0].ans);
}
return 0;
}
Compilation message
sugar.cpp: In function 'int main()':
sugar.cpp:142:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
142 | scanf("%d %d",&Q,&L);
| ~~~~~^~~~~~~~~~~~~~~
sugar.cpp:144:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
144 | scanf("%d %d %d",&T[i],&X[i],&A[i]);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
360 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
320 KB |
Output is correct |
| 4 |
Incorrect |
1333 ms |
71120 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
360 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
