mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <algorithm>
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using namespace std;
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typedef unsigned long long ull;
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struct uint64{
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static const ull MODN = 9223372034707292160;
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ull n;
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uint64(ull n = 0):n(n){}
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static uint64 ass(ull n){
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if(n >= MODN)
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return uint64(n - MODN);
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else
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return uint64(n);
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}
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inline uint64 operator-() const{
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return uint64(MODN - n);
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};
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friend inline uint64 operator*(const uint64& a, const uint64& b){
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uint64 tmp;
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ull a1 = (a.n >> 32), a0 = (a.n & 0xffffffff);
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ull b1 = (b.n >> 32), b0 = (b.n & 0xffffffff);
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tmp = ass(a1 * b1);
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tmp = tmp + ass(a1 * b0);
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tmp = tmp + ass(a0 * b1);
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for(int i = 0; i < 32; i ++)
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tmp = tmp + tmp;
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tmp = tmp + ass(a0 * b0);
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return tmp;
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}
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friend inline uint64 operator+(const uint64& a, const uint64& b){
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ull n = a.n + b.n;
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return uint64((n < a.n || n >= MODN) ? (n - MODN) : n);
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}
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friend inline uint64 operator-(const uint64& a, const uint64& b){
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return (a.n < b.n) ? (a.n + MODN - b.n) : (a.n - b.n);
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}
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inline uint64 sqr(){
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return (*this) * (*this);
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}
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};
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const int MAXN = 131072;
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ull arr[MAXN];
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int N, M;
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class Segtree{
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public:
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static const int MAXK = 30;
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struct NODE{
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int flg;
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uint64 d[MAXK];
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}node[MAXN<<1];
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inline void popup(int id){
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int j;
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for(j = 0; j < MAXK; j ++)
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node[id].d[j] = node[id<<1].d[j] + node[id<<1|1].d[j];
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}
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inline void shift(int id, int k){
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node[id].flg += k;
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for(int j = 0; j <= MAXK - 2; j ++){
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node[id].d[j] = node[id].d[min(j + k, MAXK - 1)];
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}
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}
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inline void pushdown(int id){
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int flg = node[id].flg;
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if(flg > 0){
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shift(id<<1, flg);
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shift(id<<1|1, flg);
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node[id].flg = 0;
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}
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}
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void build(int id, int l, int r){
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int mid = (l + r) >> 1;
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if(l == r){
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node[id].d[0] = uint64::ass(arr[l]);
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node[id].flg = 0;
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for(int j = 1; j < MAXK; j ++)
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node[id].d[j] = node[id].d[j - 1].sqr();
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}else{
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node[id].flg = 0;
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build(id<<1, l, mid);
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build(id<<1|1, mid+1, r);
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popup(id);
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}
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}
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uint64 query(int id, int l, int r, int L, int R){
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uint64 ret;
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if(l == L && r == R){
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ret = node[id].d[0];
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shift(id, 1);
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return ret;
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}
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int mid = (L + R) >> 1;
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pushdown(id);
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if(l > mid){
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ret = query(id<<1|1, l, r, mid + 1, R);
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}else if(r <= mid){
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ret = query(id<<1, l, r, L, mid);
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}else{
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ret = query(id<<1, l, mid, L, mid) + query(id<<1|1, mid + 1, r, mid + 1, R);
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}
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popup(id);
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return ret;
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}
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}tree;
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int main(){
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int i, T, l, r;
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uint64 ans;
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scanf("%d", &T);
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for(i = 1; i <= T; i ++){
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printf("Case #%d:\n", i);
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scanf("%d%d", &N, &M);
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for(l = 1; l <= N; l ++){
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scanf("%I64u", &arr[l]);
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}
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tree.build(1, 1, N);
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ans = 0;
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while(M --){
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scanf("%d%d", &l, &r);
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ans = ans + tree.query(1, l, r, 1, N);
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printf("%I64u\n", ans.n);
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}
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}
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return 0;
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}
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