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| #include <bits/stdc++.h>
#pragma optimization_level 3
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
using namespace std;
struct PairHash {inline std::size_t operator()(const std::pair<int, int> &v) const { return v.first * 31 + v.second; }};
#define Code ios_base::sync_with_stdio(false);
#define By ios::sync_with_stdio(0);
#define Sumfi cout.tie(NULL);
using ll = long long;
using ld = long double;
const ld PI = 3.14159265358979323846;
const ll INF = 1e18;
const ld EPS = 1e-9;
const ll MAX_N = 303030;
const ll mod = 998244353;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
typedef array<ll,3> all3;
typedef array<ll,5> all5;
typedef vector<all3> vall3;
typedef vector<all5> vall5;
typedef vector<ld> vld;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<int> vi;
typedef vector<string> vs;
typedef vector<vs> vvs;
typedef unordered_set<ll> usll;
typedef unordered_set<pll, PairHash> uspll;
typedef unordered_map<ll, ll> umll;
typedef unordered_map<pll, ll, PairHash> umpll;
#define rep(i,m,n) for(ll i=m;i<n;i++)
#define rrep(i,m,n) for(ll i=n;i>=m;i--)
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
#define sz(x) ll((x).size())
#define pyes cout<<"Yes\n";
#define pno cout<<"No\n";
#define pneg1 cout<<"-1\n";
#define CASE(x) cout<<"Case #"<<x<<": ";
template <typename T>
void print(T &&t) { cout << t << "\n"; }
template<typename T>
void printv(vector<T>v){ll n=v.size();rep(i,0,n)cout<<v[i]<<" ";cout<<"\n";}
ll __gcd(ll x, ll y) { return !y ? x : __gcd(y, x % y); }
ll __lcm(ll x, ll y) { return x * y / __gcd(x,y); }
ll modpow(ll n, ll x, ll MOD = mod) { if(!x) return 1; ll res = modpow(n,x>>1,MOD); res = (res * res) % MOD; if(x&1) res = (res * n) % MOD; return res; }
ll seg[MAX_N * 4];
ll lazy[MAX_N * 4];
ll psum[MAX_N];
void lazyQuery(ll u, ll s, ll e) {
if(!lazy[u]) return;
seg[u] = (psum[e + 1] - psum[s] + mod) % mod * lazy[u] % mod;
if(s ^ e) {
lazy[u * 2] = lazy[u];
lazy[u * 2 + 1] = lazy[u];
}
lazy[u] = 0;
}
ll query(ll u, ll s, ll e, ll l, ll r) {
lazyQuery(u,s,e);
if(r < s or e < l) return 0;
if(l <= s and e <= r) return seg[u];
ll m = s + (e - s) / 2;
return query(u * 2, s, m, l, r) + query(u * 2 + 1, m + 1, e, l, r);
}
void update(ll u, ll s, ll e, ll l, ll r, ll v) {
lazyQuery(u,s,e);
if(r < s or e < l) return;
if(l <= s and e <= r) {
seg[u] = (psum[e + 1] - psum[s] + mod) % mod * v % mod;
if(s ^ e) {
lazy[u * 2] = v;
lazy[u * 2 + 1] = v;
}
return;
}
ll m = s + (e - s) / 2;
update(u*2,s,m,l,r,v);
update(u*2+1,m+1,e,l,r,v);
seg[u] = (seg[u * 2] + seg[u * 2 + 1]) % mod;
}
void init(ll n) {
ll now = 1;
rep(i,2,n + 10) {
psum[i] = (now + psum[i - 1]) % mod;
now = now * 10 % mod;
}
update(1,1,n,1,n,1);
}
int main() {
Code By Sumfi
cout.precision(12);
ll tc = 1;
for (ll i = 1; i <= tc; i++) {
ll n,q,l,r,d;
cin>>n>>q;
init(n);
rep(i,0,q) {
cin>>l>>r>>d;
update(1, 1, n, n - r + 1, n - l + 1, d);
print(query(1,1,n,1,n));
}
}
return 0;
}
|
