#include<bits/stdc++.h>
using namespace std;
const int mod=1000007;
const int p1=517246;
const int p2=241382;
vector<int> factorial;
/*
int eval(int N,vector<int> g){
int total=0;
int K=N;
for(int i=0;i<N;i++){
if(g[i]!=i+1){
return 0;
}
}
for(int i=N;i<g.size();i++){
total*=N;
total+=(min(K,g[i]-1));
if(g[i]>N){
K=0;
}
total=total%mod;
}
return total;
}
*/
vector<int> inverse={0};
vector<int> calc={1,1,2,5,15,52,203,877,4140,21147,115975,678570,213569,644248,897992,948871,68787,289756,31655,376150,168800,91307,657986,206795,572061,963085,4999,385141,770693,994876,63020,227947,500096,456556,176372,417897,668247,479021,826626,836392,477381,777458,310987,101121,814571,725335,801448,717728,675537,309204,315192,677296,404901,830968,519367,407946,615013,279029,458582,420481,737671,802836,946621,785669,828421,154453,275741,708831,60683,112355,608611,71590,193969,693860,696252,588334,895074,169899,584318,286599,80653,590271,78772,885292,366834,369055,523881,867086,128536,739440,628404,400204,170905,305202,354765,503810,862604,855408,331322,646648,301983,857350,697969,729787,486214,364391,205015,246431,288604,764739,602633,278069,984746,711674,88592,521257,595364,764823,657199,620114,121580,253996,629662,776215,475882,316964,552500,11980,978878,34452,762981,594325,99211,115745,836931,722248,688358,380137,598350,269788,459428,156984,655121,128826,131114,392457,356794,732432,601711,267319,58347,18604,929385,312809,750448,633645,637058,215424,416083,531241,867681,472940,832123,707623,874251,240226,628312,851637,414537,773505,96675,960731,348854,743275,494573,824746,514458,664957,890267,293755,556895,763984,2031,339136,182826,302091,449300,815055,125445,669416,280957,187737,948514,393769,321192,591882,321847,137343,753629,593928,207353,659594,343024,340134,736468,761322,538339,464503,184723,594806,337801,509309,355821,130479,215413,600081,258855,571010,792932,676479,815975,777972,492531,666545,998206,465135,474909,702017,691661,752339,907034,564026,698471,59448,839489,899457,57452,996449,223064,469791,953319,334717,959155,620904,660112,869508,67091,435967,593251,792793,788987,279158,304825,135112,160611,494759,360060,15518,395611,839382,189323,108058,681408,705444,903462,556319,381674,876338,811384,353656,397221,395670,370793,955014,578594,28502,870820,237760,506083,81333,675710,837208,368252,162080,671046,927970,389640,100629,703644,734440,85636,877322,828284,672982,669250,559837,626612,115994,298100,720913,951860,613712,757220,378866,33469,669752,491195,181909,397907,878978,553018,137121,383046,424168,990374,347908,786699,158343,312344,228069,377957,719571,370123,738146,124672,41270,833202,445944,151694,413083,140984,287140,327829,374013,426696,364051,310841,556641,979567,524984,731780,270279,799974,976855,329538,379832,383890,24242,244628,460050,813730,840657,48585,968604,682057,223488,632032,256652,619375,60694,167441,332585,651533,289772,630783,808670,370176,60699,887942,467096,434544,332803,434450,389384,907852,398156,684904,622492,409232,335873,770922,123322,934506,427596,479187,368685,878666,549569,384764,415723,344697,446101,753254,711582,337730,284976,183505,270757,69688,692730,662708,106751,589926,391000,216540,987265,812716,834077,320779,597545,252063,854312,177259,421630,782945,592919,243002,489201,154088,780387,221156,840698,133057,576567,924448,889929,619367,500606,818474,816352,525751,420298,131650,616265,634181,398430,838118,867980,445754,755185,359902,544456,824588,191765,817042,579721,419235,260979,422355,764923,365741,113413,524469,935706,226278,142934,55985,63055,99366,294535,189999,850256,968769,185289,267165,808925,671094,295559,612633,166888,236014,345583,95162,614604,927413,181820,516990,279549,21878,202291,840505,298232,589292,116129,121083,643534,135045,998232,495,949079,859299,197406,792682,379568,638613,644753,732916,144740,844137,721696,441267,141192,897666,636591,308963,731927,299977,322566,623079,85892,365814,103903,912535,713635,207685,570764,794480,865068,146446,656012,258621,20631,245360,87348,706000,406290,886101,416389,294007,606152,713246,537846,585403,281699,542326,988465,884339,163858,540678,772680,519958,541077,262585,199812,47223,483888,89981,337530,793848,713730,569128,700921,216886,822638,731995,512356,306455,443409,164212,509040,423450,635740,379832,509556,849684,460077,296825,964894,581297,998250,378493,377137,246919,917362,464394,620477,767022,420774,195474,991446,912007,385864,369809,238573,872519,903738,314489,245125,590319,803903,374353,383077,871199,836307,766791,137447,877161,460495,66088,735765,162463,769765,886436,368513,211201,834431,708004,25151,415086,443792,229236,254959,819961,50409,717832,853906,969366,314204,136518,89357,794510,373593,169048,770548,338763,911675,202189,641048,93565,942349,775442,858403,245518,153911,973890,208603,516971,396270,167587,382927,721903,370178,728946,921210,643146,965411,287684,665660,418040,747835,285382,540121,911792,167491,341014,555,397691,201903,663032,235871,335015,135790,77566,306519,329608,734688,270986,858465,892811,414786,970451,489924,226876,142404,418823,133340,517939,460885,104144,619777,986956,818341,313335,291805,303474,952582,555157,678619,374179,489510,91933,280990,31158,663864,469116,855923,570222,677253,190408,349095,390144,807615,974332,876702,299886,819991,567088,652204,916504,5847,932562,55126,173880,583836,984260,515127,852611,907972,59066,688211,190928,545353,872038,786712,667563,60157,92839,97815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int choose(int a,int b){
return (((factorial[a]*1ll*inverse[factorial[b]])%mod)*inverse[factorial[a-b]])%mod;
}
int calculate(int a,int b){
int score=0;
long long k=1;
for(int i=0;i<=a;i++){
score=(score+(k*(choose(a,i)*1ll*calc[i])%mod))%mod;
k=(k*b)%mod;
}
return score;
}
int main(){
// freopen("yeet.txt","r",stdin);
int N;
scanf("%d",&N);
factorial.push_back(1);
for(int i=1;i<=N;i++){
factorial.push_back((factorial.back()*1ll*i)%mod);
}
for(int i=1;i<mod;i++){
inverse.push_back(0);
}
unsigned long long k=1;
unsigned long long inv=1;
for(int i=0;i<34483;i++){
k*=2;
inv*=((mod+1)/2);
k=k%mod;
inv=inv%mod;
long long int a=k;
long long int b=inv;
for(int j=0;j<29;j++){
a=(a*p1)%mod;
b=(b*p2)%mod;
inverse[a]=b;
}
}
unsigned long long total=0;
k=1;
scanf("%d",&inv);
for(int i=1;i<N;i++){
scanf("%d",&inv);
total=(total+calculate(N-i-1,k)*(inv-1));
k=max(k,inv);
}
printf("%d",(total + 1)%mod);
}
Compilation message
teams.cpp: In function 'int main()':
teams.cpp:74:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long unsigned int*' [-Wformat=]
74 | scanf("%d",&inv);
| ~^ ~~~~
| | |
| | long long unsigned int*
| int*
| %lld
teams.cpp:76:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long unsigned int*' [-Wformat=]
76 | scanf("%d",&inv);
| ~^ ~~~~
| | |
| | long long unsigned int*
| int*
| %lld
teams.cpp:80:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long unsigned int' [-Wformat=]
80 | printf("%d",(total + 1)%mod);
| ~^ ~~~~~~~~~~~~~~~
| | |
| int long long unsigned int
| %lld
teams.cpp:49:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
49 | scanf("%d",&N);
| ~~~~~^~~~~~~~~
teams.cpp:74:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
74 | scanf("%d",&inv);
| ~~~~~^~~~~~~~~~~
teams.cpp:76:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
76 | scanf("%d",&inv);
| ~~~~~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
4540 KB |
Output is correct |
2 |
Correct |
13 ms |
4540 KB |
Output is correct |
3 |
Correct |
12 ms |
4540 KB |
Output is correct |
4 |
Correct |
12 ms |
4564 KB |
Output is correct |
5 |
Correct |
16 ms |
4540 KB |
Output is correct |
6 |
Correct |
13 ms |
4540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
4540 KB |
Output is correct |
2 |
Incorrect |
12 ms |
4540 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
12 ms |
4572 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
4540 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
13 ms |
4540 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
4540 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
21 ms |
4512 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
926 ms |
4608 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
231 ms |
4540 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
921 ms |
4608 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |