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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 |
---|---|---|---|---|---|---|---|---|---|
#602347 | #7785. Three Rectangles | AlphaZe | WA | 1ms | 3888kb | C++14 | 7.8kb | 2024-09-30 23:21:10 | 2024-09-30 23:21:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
inline int read() {
int x = 0, f = 0; char ch = getchar();
while (!isdigit(ch)) f = ch == '-', ch = getchar();
while (isdigit(ch)) x = (x << 3) + (x << 1) + (ch ^ 48), ch = getchar();
return f ? -x : x;
}
const int mod = 1e9 + 7;
void MulMod(int &p, int k) { p = 1ll * p * k % mod; }
void AddMod(int &p, int k) { p = (p + k) % mod; }
int ans;
int A, B;
int a[3], b[3], s[3], p[3];
bool can[3][2];
bool chk() {
bool fl = 0;
for (int i = 0; i < 3; ++i)
fl |= a[i] == A && b[i] == B;
if (fl) {
ans = 1;
for (int i = 0; i < 3; ++i)
MulMod(ans, 1ll * (A - a[i] + 1) * (B - b[i] + 1) % mod);
}
return fl;
}
int chk2(int step, int U, int D, int L, int R) {
// printf("chk2(%d, %d, %d, %d, %d); \n", step, U, D, L, R);
if (step == 3) {
if (D - U <= 1 || R - L <= 1) return 1;
return 0;
}
if (s[step] == 1) return chk2(step + 1, max(U, a[step]), D, L, R);
else if (s[step] == 3) return chk2(step + 1, U, min(D, A + 1 - a[step]), L, R);
else if (s[step] == 2) return chk2(step + 1, U, D, max(L, b[step]), R);
else return chk2(step + 1, U, D, L, min(R, B + 1 - b[step]));
}
int calc2(int step, int U, int D, int L, int R, bool fl0, bool fl1) {
// printf("calc2(%d, %d, %d, %d, %d, %d, %d); \n", step, U, D, L, R, fl0, fl1);
if (step == 2) {
if (fl0 && fl1) {
int aa = D - U - 1, bb = R - L - 1;
if (aa <= a[p[step]] && bb <= b[p[step]]) return 1;
return 0;
} else if (fl1) {
if (D - U <= 1) return 1ll * (A - a[p[step]] + 1) * (B - b[p[step]] + 1) % mod;
else {
if (b[p[step]] != B) return 0;
else {
int aa = D - U - 1;
if (a[p[step]] < aa) return 0;
int res = a[p[step]] - aa + 1;
res = min(res, U + 1);
res = min(res, A + 1 - D + 1);
return res;
}
}
} else {
if (R - L <= 1) return 1ll * (A - a[p[step]] + 1) * (B - b[p[step]] + 1) % mod;
else {
if (a[p[step]] != A) return 0;
else {
int bb = R - L - 1;
if (b[p[step]] < bb) return 0;
int res = b[p[step]] - bb + 1;
res = min(res, L + 1);
res = min(res, B + 1 - R + 1);
return res;
}
}
}
}
if (s[p[step]] == 1) return calc2(step + 1, max(U, a[p[step]]), D, L, R, fl0, 1);
else if (s[p[step]] == 3) return calc2(step + 1, U, min(D, A + 1 - a[p[step]]), L, R, fl0, 1);
else if (s[p[step]] == 2) return calc2(step + 1, U, D, max(L, b[p[step]]), R, 1, fl1);
else return calc2(step + 1, U, D, L, min(R, B + 1 - b[p[step]]), 1, fl1);
}
int calc3() {
// puts("calc3()");
// for (int i = 0; i < 3; ++i) printf("%d ", p[i]); putchar('\n');
int res = 0;
if (s[p[0]] == 1 || s[p[0]] == 3) {
int aa = A - a[p[0]];
bool fl3 = b[p[1]] == B, fl4 = b[p[2]] == B;
bool fl1 = a[p[1]] >= aa && b[p[1]] == B, fl2 = a[p[2]] >= aa && b[p[2]] == B;
if (fl1 && fl2) {
AddMod(res, 1ll * (A - a[p[2]] + 1) * (B - b[p[2]] + 1) % mod);
AddMod(res, 1ll * (A - a[p[1]] + 1) * (B - b[p[1]] + 1) % mod);
AddMod(res, mod - 1);
} else if (fl1) {
AddMod(res, 1ll * (A - a[p[2]] + 1) * (B - b[p[2]] + 1) % mod);
if (fl3 && fl4) AddMod(res, mod - 1);
} else if (fl2) {
AddMod(res, 1ll * (A - a[p[1]] + 1) * (B - b[p[1]] + 1) % mod);
if (fl3 && fl4) AddMod(res, mod - 1);
}
if (fl3 && fl4) {
s[p[1]] = s[p[0]];
if (s[p[1]] > 2) s[p[1]] -= 2; else s[p[1]] += 2;
if (!fl1) AddMod(res, calc2(0, 0, A + 1, 0, B + 1, 0, 0));
swap(p[1], p[2]);
s[p[1]] = s[p[0]];
if (s[p[1]] > 2) s[p[1]] -= 2; else s[p[1]] += 2;
if (!fl2) AddMod(res, calc2(0, 0, A + 1, 0, B + 1, 0, 0));
swap(p[1], p[2]);
} else {
if (fl1 || fl2);
else if (a[p[1]] < aa || a[p[2]] < aa);
else if (b[p[1]] + b[p[2]] < B);
else AddMod(res, 2);
}
} else {
int bb = B - b[p[0]];
bool fl3 = a[p[1]] == A, fl4 = a[p[2]] == A;
bool fl1 = b[p[1]] >= bb && a[p[1]] == A, fl2 = b[p[2]] >= bb && a[p[2]] == A;
if (fl1 && fl2) {
AddMod(res, 1ll * (A - a[p[2]] + 1) * (B - b[p[2]] + 1) % mod);
AddMod(res, 1ll * (A - a[p[1]] + 1) * (B - b[p[1]] + 1) % mod);
AddMod(res, mod - 1);
} else if (fl1) {
AddMod(res, 1ll * (A - a[p[2]] + 1) * (B - b[p[2]] + 1) % mod);
if (fl3 && fl4) AddMod(res, mod - 1);
} else if (fl2) {
AddMod(res, 1ll * (A - a[p[1]] + 1) * (B - b[p[1]] + 1) % mod);
if (fl3 && fl4) AddMod(res, mod - 1);
}
if (fl3 && fl4) {
s[p[1]] = s[p[0]];
if (s[p[1]] > 2) s[p[1]] -= 2; else s[p[1]] += 2;
if (!fl1) AddMod(res, calc2(0, 0, A + 1, 0, B + 1, 0, 0));
swap(p[1], p[2]);
s[p[1]] = s[p[0]];
if (s[p[1]] > 2) s[p[1]] -= 2; else s[p[1]] += 2;
if (!fl2) AddMod(res, calc2(0, 0, A + 1, 0, B + 1, 0, 0));
swap(p[1], p[2]);
} else {
if (fl1 || fl2);
else if (b[p[1]] < bb || b[p[2]] < bb);
else if (a[p[1]] + a[p[2]] < A);
else AddMod(res, 2);
}
}
return res;
}
int calc() {
// for (int i = 0; i < 3; ++i) printf("%d ", s[i]); putchar('\n');
int cnt = 0, res = 0;
for (int i = 0; i < 3; ++i) cnt += s[i] != 0;
if (!cnt) return 0;
else if (cnt == 1) {
int nm = 0;
for (int i = 0; i < 3; ++i) {
if (!s[i]) p[++nm] = i;
else p[0] = i;
}
return calc3();
} else if (cnt == 2) {
int nm = -1;
for (int i = 0; i < 3; ++i) {
if (s[i]) p[++nm] = i;
else p[2] = i;
}
// printf("->"); for (int i = 0; i < 3; ++i) printf("%d ", p[i]); putchar('\n');
return mod - calc2(0, 0, A + 1, 0, B + 1, 0, 0);
} else {
return chk2(0, 0, A + 1, 0, B + 1);
}
}
void work() {
A = read(); B = read();
for (int i = 0; i < 3; ++i) {
a[i] = read(), b[i] = read();
can[i][0] = can[i][1] = 0;
}
ans = 0;
if (chk()) {
printf("%lld\n", ans);
} else {
for (int i = 0; i < 3; ++i) {
can[i][1] = b[i] == B; // 上下放
can[i][0] = a[i] == A; // 左右放
}
for (int i = 0; i <= 4; ++i) {
if ((!i) || can[0][i & 1]) {
for (int j = 0; j <= 4; ++j) {
if ((!j) || can[1][j & 1]) {
for (int k = 0; k <= 4; ++k) {
if ((!k) || can[2][k & 1]) {
s[0] = i; s[1] = j; s[2] = k;
AddMod(ans, calc());
// printf("ans = %d; \n", ans);
}
}
}
}
}
}
printf("%lld\n", ans);
}
}
signed main() {
// freopen("I.in", "r", stdin);
// freopen("I.out", "w", stdout);
int Tt = read();
while (Tt--) work();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3760kb
input:
5 2 2 1 1 1 1 1 1 2 2 1 1 1 2 1 2 2 2 1 1 1 2 2 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1
output:
0 8 4 6 4
result:
ok 5 number(s): "0 8 4 6 4"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
4 1 3 1 1 1 2 1 3 1 4 1 1 1 2 1 3 1 5 1 1 1 2 1 3 1 6 1 1 1 2 1 3
output:
6 12 14 6
result:
ok 4 number(s): "6 12 14 6"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3772kb
input:
1 1000000000 1000000000 1 1 1 1 1000000000 1000000000
output:
2401
result:
ok 1 number(s): "2401"
Test #4:
score: -100
Wrong Answer
time: 1ms
memory: 3888kb
input:
729 999999999 111111111 111111111 111111111 111111111 111111111 111111111 111111111 999999999 111111111 111111111 111111111 222222222 111111111 111111111 111111111 999999999 111111111 111111111 111111111 111111111 111111111 333333333 111111111 999999999 111111111 111111111 111111111 444444444 111111...
output:
0 0 0 0 0 0 6 777777753 456790164 0 0 0 0 0 6 222222208 555555531 135802502 0 0 0 0 6 222222208 222222208 333333309 814814847 0 0 0 6 222222208 222222208 222222208 111111087 493827185 0 0 6 222222208 222222208 222222208 222222208 888888872 172839523 0 6 222222208 222222208 222222208 222222208 222222...
result:
wrong answer 98th numbers differ - expected: '333333309', found: '555555531'