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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#372554 | #8340. 3 Sum | zzuqy# | WA | 403ms | 4284kb | C++14 | 3.1kb | 2024-03-31 15:22:30 | 2024-03-31 15:22:30 |
Judging History
answer
#include <bits/stdc++.h>
#define fep(A,B,C) for(int C=A;C>=B;--C)
#define rep(A,B,C) for(int C=A;C<=B;++C)
#define ll long long
#define sc(k) scanf("%d",&k)
#define put(A) printf("%d\n",A)
using namespace std;
const int MAXN = 510;
#define int ll
int T, n;
int a[MAXN][10];
int k[10];
int mod[10];
int b[20010];
int calc(int *a, int *b, int n) {
std::memset(b, 0, 20005 * sizeof(b[0]));
for (int i = 0; i < n; i += T) {
for (int j = 1; j <= T && i + j <= n; j++) {
b[j] += a[i + j];
}
for (int j = 1;; j++) {
b[j + 1] += b[j] / 10;
b[j] %= 10;
if (b[j])
b[0] = std::max(b[0], j);
if (b[j + 1])
b[0] = std::max(b[0], j + 1);
if (j >= b[0])
break;
}
}
int ans = b[0];
b[0] = 0;
return ans;
}
signed main() {
// freopen("1.in", "r", stdin);
sc(n);
mod[1] = 1000000000000000003;
mod[2] = 1000000000000001537;
mod[3] = 100000000000001459;
mod[4] = 1000000000000002493;
mod[5] = 100000000000001093;
sc(T);
// if (T <= 18) {
// ll M = 1;
// rep(1, T, i)M = M * 10;
// M -= 1;
// static char s[20006];
// rep(1, n, ww) {
// scanf("%s", s + 1);
// int len = strlen(b + 1);
// rep(1, len, i) {
// rep(1, 1, j)
// a[ww][j] = ((ll)a[ww][j] * 10 + (b[i] - '0')) % M;
// }
// }
// int ans = 0;
// rep(1, n, i)rep(i, n, j)rep(j, n, K) {
// int flag = 1;
// rep(1, 1, cc) {
// if (((ll)a[i][cc] + a[j][cc] + a[K][cc]) % M) {
// flag = 0;
// break;
// }
// }
// ans += flag;
// }
// put(ans);
// return 0;
// }
rep(1, 5, j)k[j] = 1;
rep(1, T, i) {
rep(1, 5, j)
k[j] = ((ll)k[j] * 10) % mod[j];
}
rep(1, 5, j)k[j] = (k[j] - 1 + mod[j]) % mod[j];
static int tmp[20006];
static char s[20006];
rep(1, n, ww) {
scanf("%s", s + 1);
int len = strlen(s + 1);
for (int i = 1, j = len; i < j; i++, j--)
swap(s[i], s[j]);
for (int i = 1; i <= len; i++)
b[i] = s[i] - '0';
int lenn = len;
while (len > T) {
len = calc(b, tmp, len);
std::memcpy(b, tmp, 20005 * sizeof(b[0]));
}
for (int i = len; i; i--) {
rep(1, 5, j)
a[ww][j] = ((ll)a[ww][j] * 10 + (b[i])) % mod[j];
}
}
// for (int i = 1; i <= n; i++)
// printf(">>>%d\n", a[i][1]);
int ans = 0;
rep(1, n, i)rep(i, n, j)rep(j, n, K) {
int flag = 1;
rep(1, 5, cc) {
if (((ll)a[i][cc] + a[j][cc] + a[K][cc]) % mod[cc] != k[cc]) {
flag = 0;
break;
}
}
if (flag)
ans += flag;
else {
flag = 1;
rep(1, 5, cc) {
if (((ll)a[i][cc] + a[j][cc] + a[K][cc]) % mod[cc] != 2 * k[cc] % mod[cc]) {
flag = 0;
break;
}
}
if (flag)
ans += flag;
else {
flag = 1;
rep(1, 5, cc) {
if (((ll)a[i][cc] + a[j][cc] + a[K][cc]) % mod[cc] != 0) {
flag = 0;
break;
}
}
if (flag)
ans += flag;
else {
flag = 1;
rep(1, 5, cc) {
if (((ll)a[i][cc] + a[j][cc] + a[K][cc]) % mod[cc] != 3 * k[cc] % mod[cc]) {
flag = 0;
break;
}
}
if (flag)
ans += flag;
}
}
}
}
put(ans);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 4208kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 187ms
memory: 4268kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 216ms
memory: 4284kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 403ms
memory: 4252kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2327631
result:
ok 1 number(s): "2327631"
Test #5:
score: 0
Accepted
time: 310ms
memory: 4268kb
input:
500 2 408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...
output:
212002
result:
ok 1 number(s): "212002"
Test #6:
score: -100
Wrong Answer
time: 205ms
memory: 4108kb
input:
500 11500 75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...
output:
0
result:
wrong answer 1st numbers differ - expected: '7675', found: '0'