Submission #69868857

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define FORR2(x,y,arr) for(auto& [x,y]:arr)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;}
//-------------------------------------------------------

int N;


template<class V, int ME> class BIT {
public:
	V bit[1<<ME];
	V operator()(int e) {if(e<0) return 0;V s=0;e++;while(e) s+=bit[e-1],e-=e&-e; return s;}
	void add(int e,V v) { e++; while(e<=1<<ME) bit[e-1]+=v,e+=e&-e;}
};
BIT<int,20> bit;

static ll const def=1LL<<60;
template<class V,int NV> class SegTree_3 {
public:
	vector<V> val, ma;
	SegTree_3(){
		int i;
		val.resize(NV*2,0); ma.resize(NV*2,0);
	};
	
	V getval(int x,int y,int l=0,int r=NV,int k=1) {
		if(r<=x || y<=l || y<=x) return def;
		if(x<=l && r<=y) return ma[k];
		return val[k]+min(getval(x,y,l,(l+r)/2,k*2),getval(x,y,(l+r)/2,r,k*2+1));
	}
	
	void update(int x,int y, V v,int l=0,int r=NV,int k=1) {
		if(l>=r||y<=x) return;
		if(x<=l && r<=y) {
			val[k]+=v;
			ma[k]+=v;
		}
		else if(l < y && x < r) {
			update(x,y,v,l,(l+r)/2,k*2);
			update(x,y,v,(l+r)/2,r,k*2+1);
			ma[k]=val[k]+min(ma[k*2],ma[k*2+1]);
		}
	}
};
SegTree_3<__int128,1<<20> st;
int Q,L,R,K;


void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>N;
	FOR(i,N) {
		ll x;
		cin>>x;
		st.update(i,i+1,x);
	}
	cin>>Q;
	while(Q--) {
		cin>>L>>R>>K;
		L--;
		ll num=1LL*((R-L)-(bit(R-1)-bit(L-1)))*K;
		st.update(L,R,-K);
		while(st.getval(0,N)<=0) {
			int tr=N;
			for(i=19;i>=0;i--) if(tr-(1<<i)>=0&&st.getval(0,tr-(1<<i))<=0) tr-=1<<i;
			tr--;
			bit.add(tr,1);
			num+=st.getval(tr,tr+1);
			__int128 a=1LL<<60;
			st.update(tr,tr+1,a<<60);
		}
		cout<<num<<endl;
	}
	
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	cout.tie(0); solve(); return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void solve()’:
Main.cpp:60:15: warning: unused variable ‘j’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |               ^
Main.cpp:60:17: warning: unused variable ‘k’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |                 ^
Main.cpp:60:19: warning: unused variable ‘l’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |                   ^
Main.cpp:60:21: warning: unused variable ‘r’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |                     ^
Main.cpp:60:23: warning: unused variable ‘x’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |                       ^
Main.cpp:60:25: warning: unused variable ‘y’ [-Wunused-variable]
   60 |         int i,j,k,l,r,x,y; string s;
      |                         ^
Main.cpp: In function ‘int main(int, char**)’:
Main.cpp:6:19: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                   ^~~
Main.cpp:92:9: note: in expansion of macro ‘FOR’
   92 |         FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
      |         ^~~
Main.cpp:6:19: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                   ^~~
Main.cpp:92:45: note: in expansion of macro ‘FOR’
   92 |         FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
      |                                             ^~~
Main.cpp:6:28: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    6 | #define FOR(x,to) for(x=0;x<(to);x++)
      |                            ^
Main.cpp:92:45: note: in expansion of macro ‘FOR’
   92 |         FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
      |                                             ^~~
Main.cpp: In instantiation of ‘SegTree_3<V, NV>::SegTree_3() [with V = __int128; int NV = 1048576]’:
Main.cpp:55:27:   required from here
Main.cpp:32:21: warning: unused variable ‘i’ [-Wunused-variable]
   32 |                 int i;
      |                     ^

Judge Result