結果
問題 | No.426 往復漸化式 |
ユーザー | rickytheta |
提出日時 | 2016-09-23 02:15:37 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,233 bytes |
コンパイル時間 | 1,953 ms |
コンパイル使用メモリ | 184,680 KB |
実行使用メモリ | 190,056 KB |
最終ジャッジ日時 | 2024-04-28 20:28:47 |
合計ジャッジ時間 | 24,221 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
10,112 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | TLE | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | TLE | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:99:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 99 | scanf("%d",&n); | ~~~~~^~~~~~~~~ main.cpp:102:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 102 | scanf("%d%d%d",&x,&y,&z); | ~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:110:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 110 | scanf("%d%d",&x,&y); | ~~~~~^~~~~~~~~~~~~~ main.cpp:116:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 116 | scanf("%d",&q); | ~~~~~^~~~~~~~~ main.cpp:119:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 119 | scanf("%s",qbuf); | ~~~~~^~~~~~~~~~~ main.cpp:120:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 120 | scanf("%d",&x); | ~~~~~^~~~~~~~~ main.cpp:124:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 124 | REP(j,3)REP(i,3)scanf("%lld",&po[i][j]); | ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:129:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 129 | REP(j,2)REP(i,2)scanf("%lld",&po[i][j]); | ~~~~~^~~~~~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vi; typedef int _loop_int; #define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i) #define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i) #define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i) #define DEBUG(x) cout<<#x<<": "<<x<<endl #define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl #define ALL(a) (a).begin(),(a).end() #define CHMIN(a,b) a=min((a),(b)) #define CHMAX(a,b) a=max((a),(b)) // mod const ll MOD = 1000000007ll; #define FIX(a) ((a)%MOD+MOD)%MOD // floating typedef double Real; const Real EPS = 1e-11; #define EQ0(x) (abs(x)<EPS) #define EQ(a,b) (abs(a-b)<EPS) typedef complex<Real> P; typedef vector<vi> mat; mat mulmat(mat a,mat b){ assert(a.size()>0 && b.size()>0 && a.size()==b[0].size()); int n=a.size(), m=a[0].size(), l=b.size(); mat ret(l,vi(m,0)); REP(i,l)REP(j,m)REP(k,n)ret[i][j]=(ret[i][j]+a[k][j]*b[i][k])%MOD; return ret; } mat mulmat(mat a,ll k){ mat ret(a.size(),vi(a[0].size())); REP(i,a.size())REP(j,a[0].size())ret[i][j]=a[i][j]*k%MOD; return ret; } mat addmat(mat a,mat b){ assert(a.size()>0 && a.size()==b.size() && a[0].size()==b[0].size()); mat ret(a.size(),vi(a[0].size())); REP(i,a.size())REP(j,a[0].size())ret[i][j]=(a[i][j]+b[i][j])%MOD; return ret; } int n; mat a0,bn; char qbuf[52]; map<int,mat> amat,bmat; map<int,mat> avecmap; mat sigma(int beg,int end){ // calc sigma a_beg to a_end mat ret = mat(1,vi(2,0)); if(beg>end)return ret; int cur = beg; map<int,mat>::iterator iter1;//,iter2; iter1 = avecmap.upper_bound(beg); iter1--; mat ai = iter1->second; int last = beg; iter1++; while(iter1!=avecmap.end()){ int y = iter1->first; if(y>end)break; mat ci = mat(3,vi(2,6*beg)); REP(i,3)REP(j,2)ci[i][j]+=3*j+i; ci = mulmat(ci,ai); int k = y-last; ret = addmat(ret,mulmat(ci,k)); ll s = (ai[0][0]+ai[0][1]+ai[0][2])%MOD; ll po = k*(k-1)/2%MOD*s*6%MOD; ret[0][0]=(ret[0][0]+po)%MOD; ret[0][1]=(ret[0][1]+po)%MOD; last = y; ai = iter1->second; iter1++; } if(last<=end){ mat ci = mat(3,vi(2,6*last)); REP(i,3)REP(j,2)ci[i][j]+=3*j+i; ci = mulmat(ci,ai); int k = end-last+1; ret = addmat(ret,mulmat(ci,k)); ll s = (ai[0][0]+ai[0][1]+ai[0][2])%MOD; ll po = k*(k-1)/2%MOD*s*6%MOD; ret[0][0]=(ret[0][0]+po)%MOD; ret[0][1]=(ret[0][1]+po)%MOD; } return ret; } int main(){ scanf("%d",&n); { int x,y,z; scanf("%d%d%d",&x,&y,&z); a0 = mat(1,vi(3)); a0[0][0]=x; a0[0][1]=y; a0[0][2]=z; } { int x,y; scanf("%d%d",&x,&y); bn = mat(1,vi(2)); bn[0][0]=x; bn[0][1]=y; } int q; scanf("%d",&q); while(q--){ int x; scanf("%s",qbuf); scanf("%d",&x); if(qbuf[0]=='a'){ // change A query mat po(3,vi(3)); REP(j,3)REP(i,3)scanf("%lld",&po[i][j]); amat[x] = po; }else if(qbuf[0]=='b'){ // change B query mat po(2,vi(2)); REP(j,2)REP(i,2)scanf("%lld",&po[i][j]); bmat[x] = po; }else if(qbuf[1]=='a'){ // calc A query mat ans = a0; map<int,mat>::iterator iter = amat.begin(); while(iter!=amat.end()){ int y = iter->first; if(y>=x)break; ans = mulmat(iter->second,ans); iter++; } printf("%lld %lld %lld\n",ans[0][0],ans[0][1],ans[0][2]);fflush(stdout); }else if(qbuf[1]=='b'){ // calc B query avecmap.clear(); avecmap[0] = a0; mat cur = a0; map<int,mat>::iterator iter = amat.begin(); while(iter!=amat.end()){ int y = iter->first; cur = mulmat(iter->second,cur); avecmap[y+1] = cur; iter++; } map<int,mat>::reverse_iterator iter2 = bmat.rbegin(); mat ans = bn; int last = n; while(iter2!=bmat.rend()){ int y = iter2->first; if(y<=x)break; ans = addmat(ans,sigma(y+1,last)); ans = mulmat(iter2->second,ans); last = y; iter2++; } ans = addmat(ans,sigma(x+1,last)); printf("%lld %lld\n",ans[0][0],ans[0][1]);fflush(stdout); } } return 0; }