이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define all(v) v.begin(), v.end()
#define filter(v) v.resize(unique(all(v)) - v.begin())
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, int> li;
const int MOD = 1e9 + 7;
inline ll add(ll x, ll y, ll mod = MOD) {return ((x % mod) + (y % mod)) % mod;}
inline ll sub(ll x, ll y, ll mod = MOD) {return ((x - y) % mod + mod) % mod;}
inline ll prod(ll x, ll y, ll mod = MOD) {return ((x % mod) * (y % mod)) % mod;}
const int N = 5e5 + 3;
struct fenwick_tree {
int n;
vector<ll> bit;
void init(int Size) {
n = Size;
bit.resize(Size + 3, 0);
}
void update_point(int pos, ll value) {
for(; pos <= n; pos += pos & -pos) bit[pos] += value;
}
void update(int l, int r, ll value) {
if(l <= r) {
update_point(l, value);
update_point(r + 1, - value);
}else {
update_point(1, value);
update_point(r + 1, -value);
update_point(l, value);
update_point(n + 1, -value);
}
}
ll get(int pos) {
ll ans = 0;
for(; pos; pos -= pos & -pos) ans += bit[pos];
return ans;
}
};
int n, m, q;
int ids[N], needs[N], u[N], v[N], a[N];
vector<int> id[N];
int l[N], r[N], ans[N];
vector<int> indices[N];
void prepare() {
}
void input() {
cin >> n >> m;
for(int i = 1; i <= m; i++) {
cin >> ids[i];
id[ids[i]].push_back(i);
}
for(int i = 1; i <= n; i++) {
cin >> needs[i];
}
cin >> q;
for(int i = 1; i <= q; i++) {
cin >> u[i] >> v[i] >> a[i];
}
}
void process() {
for(int i = 1; i <= n; i++) {
l[i] = 1;
r[i] = q;
ans[i] = -1;
}
while(true) {
bool good = false;
for(int i = 1; i <= n; i++) {
if(l[i] <= r[i]) {
int m = (l[i] + r[i]) >> 1;
indices[m].push_back(i);
good = true;
}
}
if(!good) break;
fenwick_tree bit; bit.init(m);
for(int i = 1; i <= q; i++) {
bit.update(u[i], v[i], a[i]);
for(int j = 0; j < (int)indices[i].size(); j++) {
int current = indices[i][j];
ll sum = 0;
for(int k = 0; k < (int)id[current].size(); k++) {
sum += bit.get(id[current][k]);
if(sum >= needs[current]) break;
}
if(sum >= needs[current]) {
ans[current] = i;
r[current] = i - 1;
}else l[current] = i + 1;
}
indices[i].clear();
}
}
for(int i = 1; i <= n; i++) {
if(ans[i] == -1) cout << "NIE" << endl;
else cout << ans[i] << endl;
}
}
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
#define task "Date_A_Live"
if(fopen(task".inp", "r")) {
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
prepare();
int testcase = 1; // cin >> testcase;
for(int i = 1; i <= testcase; i++) {
input();
process();
}
cerr << "Saa, watashtachi no deito hajimemashou" << endl;
return 0;
}
/*
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*/
컴파일 시 표준 에러 (stderr) 메시지
met.cpp: In function 'int32_t main()':
met.cpp:133:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
133 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
met.cpp:134:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
134 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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